Digit Numbers facts

While investigating facts about Digit Numbers Hand and Digit Numbers Hand Anatomy, I found out little known, but curios details like:

The scientist John von Neumann (1903-1957) could by the age of 6, divide two 8 digit numbers in his head and converse in ancient Greek. He published over 150 papers during his lifetime, and is considered by many to be among the most intellegent humans to have ever lived.

how to multiply 2 digit numbers?

Shakuntala Devi, also known as the human computer, gave the 23rd root of a 201 digit number in 50 seconds. The answer(546,372,891) was verified at the US Bureau of Standards by the UNIVAC 1101 computer, for which a special program had to be written to perform such a large calculation.

What numbers are each colour is a different digit?

In my opinion, it is useful to put together a list of the most interesting details from trusted sources that I've come across answering what will be the unit digit of the squares of the following numbers. Here are 50 of the best facts about Digit Numbers Dog and Digit Numbers Foot I managed to collect.

what numbers are each color is a different digit?

Levi's doesn't know the significance of most of their historical trademarks, including their three-digit model numbers (e.g. 501) or the arc design stitched on their back pockets. This is because all of their records were lost with their headquarters in the 1906 San Francisco fire.
Shakuntala Devi, an Indian mental calculator,was asked to give the 23rd root of a 201-digit number; she answered in 50 seconds. Her answer was confirmed by calculations done at the US Bureau of Standards for which a special program had to be written to perform such a large calculation.
Belphegor's prime. A 31-digit, palindromic prime number named after the prince of Hell responsible for ingenious inventions: 1,000,000,000,000,066,600,000,000,000,001.
A number is divisible by 3 if the sum of the digits is divisible by 3. We know the number 627, for instance, is divisible by 3 because 6+2+7=15, which is divisible by 3.
Apple's first computer, the Apple I, went on sale in 1976 for $666.66 - because Steve Wozniak liked repeating digits and found them easier to type. He said he was unaware of any Satanic connotations with the number
Facebook has about 8000 user deaths per day, and eventually the dead profiles will out number living ones making it a digital graveyard.
About Graham's number which is largest number ever used in a serious mathematical proof and it is bigger than the googolplex. It's so big, the Universe does not contain enough stuff on which to write its digits: it's literally too big to write. But this number is finite and divisible by 3 and 7.
Pupils dilate when multiplying two two-digit numbers.

digit numbers facts — What is the sum of all two digit numbers?

Digit Numbers data charts

For your convenience take a look at Digit Numbers figures with stats and charts presented as graphic.

digit numbers fact data chart about Distribution of digits generated by Java's random number fun — Distribution of digits generated by Java's random number function

digit numbers fact data chart about Visualizing first 1.000 digits of Euler's number — Visualizing first 1.000 digits of Euler's number

Why can't i text 5 digit numbers iphone?

You can easily fact check why can't i text 5 digit numbers by examining the linked well-known sources.

3³ +4⁴ + 3³ + 5⁵ = 3435. It is a natural number that is equal to the sum of its digits each raised to a power equal to the digit. It's called a Munchausen number, after Baron Munchausen. Besides 0 and 1, the only two numbers are 3435 and 438579088.

The inventor of the ATM originally envisioned 6-digit PIN codes, but his wife couldn't remember more than 4 numbers, so that became the minimum and currently most popular length. - source

A googolplex, a number which represents 10 to the power of 10 to the power of 100, is so big that there wouldn't be enough space in the known universe to write it out even each digit was the size of a proton. - source

The three digit number next to the sell-by date on a carton of eggs represents the day of the year the eggs were packed

The Deep Note, also known as the "THX Note", was designed and synthesized in 1983 by James A. Moorer after 2 years of development using a 19" rack full of digital hardware. It is perceived as much louder than it is due to the large number of overlapping voices - the original version has 30. - source

When did 10 digit phone numbers start?

Graham's number. A number so large the observable universe is far too small to contain an ordinary digital representation of Graham's number, assuming that each digit occupies one Planck volume (smallest meaningful measurement)

How to multiply two digit numbers?

His system for expressing multiple-digit numbers was considered very impressive for his day.

Graham's number is so large that an ordinary digital representation of it (writing it out, starting from 0) would not fit in the observable universe

In India long numbers are separated by a comma after the first three and every TWO digits thereafter: so "10 million" would be written as 1,00,00,000 ("1 karoṛ").

Ms Devi was a child prodigy, solved a math problem(23rd root of a number with more than 100 digits) faster than the computer of that time (1977)

Kaprekar's constant, where if you have a 4 digit number with at least 2 distinct digits, order the numbers within it in ascending and descending order, subtract the smaller number from the larger, and repeat with the result, you'll eventually always end up with 6174.

Digit numbers infographics

Beautiful visual representation of Digit Numbers numbers and stats to get perspecive of the whole story.

digit numbers fact infographic about Frequency of last digit of prime numbers <1 million. OP's co — Frequency of last digit of prime numbers <1 million. OP's commment links to (very efficient code to find prime number; and the data upto 10,000,000 in 100,000 interval)

digit numbers fact infographic about Number of occurences of each digit in prime numbers up to 10 — Number of occurences of each digit in prime numbers up to 100,000

When were 4 digit phone numbers used?

The Fibonacci number is the series of numbers starting with one (in Leonardo's calculation) or zero (in modern calculation) and adding the next digit to itself until that sum is later added. The sequence is as follows: 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 377.

The largest known prime number has over 17 million digits, and was calculated using over 300 thousand CPUs

about Lychrel numbers. A Lychrel number is a natural number that cannot form a palindrome through the iterative process of repeatedly reversing its digits and adding the resulting numbers. For example 57+75 = 132, 132+231 = 363, a palindrome. There is no known sequence for 196

The two numbers on a runway match a compass direction, are between 01 and 36, and the first number uses the actual compass bearing (rounded to nearest tenth degree & last digit dropped), while the second is the opposite direction. Both numbers show a direction that is 180 degrees from the other.

How many three digit numbers are divisible by 7?

Finding a prime number with more than 100 million digits will result in a $150,000 prize.

The Social Security Administration will let you change your social security number if you have a (legitimate) "religious or cultural objections to certain numbers or digits in the original number"

About the Cadaeic Cadenza, a poem that mimics several other pieces of literature. When the number of letters in each word is written out, they form the first 3835 digits of pi.

The largest known prime number is (2^57,885,161) - 1. The number has almost 17 million digits.

"Digital cameras have far surpassed film in terms of sensitivity to light, with ISO equivalent speeds of up to 409600, a number that is unfathomable in the realm of conventional film photography"

If you take a large real-life dataset(e.g. population in each of the counties in USA) and look at the first digit of the numbers reported there, you are about 6 times more likely to find a '1' than '8' or '9'. Named as Benford's law, this can be used in detection of accounting frauds!!!

About the "year 2038 problem" wich relates to representing time in many digital systems as numbers of seconds passed since 1 January 1970 and storing it as a 32-bit integer. On 19 january 2038 the capacity of 32-bit is reached and the date switches back to 13 December 1901.

Whenever Bart prank calls Moe’s Tavern, he dials the number 764-84377 (which is one digit longer than an American phone number need be). It spells out “SMITHERS

Narcissistic number: a number that is the sum of its own digits each raised to the power of the number of digits.

The world record for number of memorized digits in PI (3.14...) is 67,890 and it took 24 hours and 4 minutes to recite.

A mysterious self-publishing group in Japan calculated the last 16 million digits of Graham's Number

The number 142,857, when multiplied by 1,2,3,4,5, or 6, is an anagram of itself. The fractions 1/7 through 6/7 also are forms of 142857, and the right six digits of any higher multiple plus the remaining left digits will equal an anagram of 142857.

There exist only four factorions in base 10 i.e. 1, 2, 145, 40585. Factorions are numbers which are sum of the factorials of their digits. 1! = 1, 2! = 2, 1!+4!+5! = 145, 4!+0!+5!+8!+5! = 40585.

The first digit in your credit card number signifies the type of card. 3 - American Express/Diners Club; 4 - Visa; 5 - MasterCard; 6 - Discover Card

This is our collection of basic interesting facts about Digit Numbers. The fact lists are intended for research in school, for college students or just to feed your brain with new realities. Possible use cases are in quizzes, differences, riddles, homework facts legend, cover facts, and many more. Whatever your case, learn the truth of the matter why is Digit Numbers so important!