The Number

21980

Twenty-One Thousand Nine Hundred and Eighty

In Base 17 Septendecimal Is

480g17

The numbers with a 17 subscript use Base 17 Septendecimal notation.

For more familiar numbers: See Twenty-One Thousand Nine Hundred and Eighty in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

21977
480d17
Twenty-One Thousand Nine Hundred and Seventy-Seven in Base 17 Septendecimal
21978
480e17
Twenty-One Thousand Nine Hundred and Seventy-Eight in Base 17 Septendecimal
21979
480f17
Twenty-One Thousand Nine Hundred and Seventy-Nine in Base 17 Septendecimal
21981
481017
Twenty-One Thousand Nine Hundred and Eighty-One in Base 17 Septendecimal
21982
481117
Twenty-One Thousand Nine Hundred and Eighty-Two in Base 17 Septendecimal
21983
481217
Twenty-One Thousand Nine Hundred and Eighty-Three in Base 17 Septendecimal

Scientific Notation

Scientific notation expresses a quantity as the product of its significand with 10 raised to an integer exponent.

2.1980e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0003da2c6dc3a30d17

The reciprocal of 21980 in Base 17 Septendecimal.

Palindrome?

A numerical palindrome has the same value when all of its digits are reversed.

The number 480g17 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Twenty-one thousand nine hundred and eighty is a composite number with 24 total factors (including 1 and itself).   See primes in Base 17 Septendecimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand nine hundred and eighty is a composite number with 24 total factors (including 1 and itself).

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number twenty-one thousand nine hundred and eighty has the following 4 prime factors:

2
217
Two in Base 17 Septendecimal
5
517
Five in Base 17 Septendecimal
7
717
Seven in Base 17 Septendecimal
157
9417
One Hundred and Fifty-Seven in Base 17 Septendecimal

Prime Factorization

The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities

2172 · 5171 · 7171 · 94171 = 480g17

Base Conversions

The number twenty-one thousand nine hundred and eighty in 35 different bases