The Number

21980

Twenty-One Thousand Nine Hundred and Eighty

In Base 29 Nonavigesimal Is

q3r29

The numbers with a 29 subscript use Base 29 Nonavigesimal 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
q3o29
Twenty-One Thousand Nine Hundred and Seventy-Seven in Base 29 Nonavigesimal
21978
q3p29
Twenty-One Thousand Nine Hundred and Seventy-Eight in Base 29 Nonavigesimal
21979
q3q29
Twenty-One Thousand Nine Hundred and Seventy-Nine in Base 29 Nonavigesimal
21981
q3s29
Twenty-One Thousand Nine Hundred and Eighty-One in Base 29 Nonavigesimal
21982
q4029
Twenty-One Thousand Nine Hundred and Eighty-Two in Base 29 Nonavigesimal
21983
q4129
Twenty-One Thousand Nine Hundred and Eighty-Three in Base 29 Nonavigesimal

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.

0.0013550lde269529

The reciprocal of 21980 in Base 29 Nonavigesimal.

Palindrome?

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

The number q3r29 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 29 Nonavigesimal

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
229
Two in Base 29 Nonavigesimal
5
529
Five in Base 29 Nonavigesimal
7
729
Seven in Base 29 Nonavigesimal
157
5c29
One Hundred and Fifty-Seven in Base 29 Nonavigesimal

Prime Factorization

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

2292 · 5291 · 7291 · 5c291 = q3r29

Base Conversions

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