The Number

21980

Twenty-One Thousand Nine Hundred and Eighty

In Base 19 Nonadecimal Is

33gg19

The numbers with a 19 subscript use Base 19 Nonadecimal 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
33gd19
Twenty-One Thousand Nine Hundred and Seventy-Seven in Base 19 Nonadecimal
21978
33ge19
Twenty-One Thousand Nine Hundred and Seventy-Eight in Base 19 Nonadecimal
21979
33gf19
Twenty-One Thousand Nine Hundred and Seventy-Nine in Base 19 Nonadecimal
21981
33gh19
Twenty-One Thousand Nine Hundred and Eighty-One in Base 19 Nonadecimal
21982
33gi19
Twenty-One Thousand Nine Hundred and Eighty-Two in Base 19 Nonadecimal
21983
33h019
Twenty-One Thousand Nine Hundred and Eighty-Three in Base 19 Nonadecimal

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.

0.0005hc79ai53ac6g19

The reciprocal of 21980 in Base 19 Nonadecimal.

Palindrome?

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

The number 33gg19 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 19 Nonadecimal

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
219
Two in Base 19 Nonadecimal
5
519
Five in Base 19 Nonadecimal
7
719
Seven in Base 19 Nonadecimal
157
8519
One Hundred and Fifty-Seven in Base 19 Nonadecimal

Prime Factorization

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

2192 · 5191 · 7191 · 85191 = 33gg19

Base Conversions

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