The Number

401980

Four Hundred and One Thousand Nine Hundred and Eighty

In Base 21 Unovigesimal Is

218aj21

The numbers with a 21 subscript use Base 21 Unovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

401977
218ag21
Four Hundred and One Thousand Nine Hundred and Seventy-Seven in Base 21 Unovigesimal
401978
218ah21
Four Hundred and One Thousand Nine Hundred and Seventy-Eight in Base 21 Unovigesimal
401979
218ai21
Four Hundred and One Thousand Nine Hundred and Seventy-Nine in Base 21 Unovigesimal
401981
218ak21
Four Hundred and One Thousand Nine Hundred and Eighty-One in Base 21 Unovigesimal
401982
218b021
Four Hundred and One Thousand Nine Hundred and Eighty-Two in Base 21 Unovigesimal
401983
218b121
Four Hundred and One Thousand Nine Hundred and Eighty-Three in Base 21 Unovigesimal

Scientific Notation

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

4.01980e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000a37b86d5keg3d21

The reciprocal of 401980 in Base 21 Unovigesimal.

Palindrome?

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

The number 218aj21 is not a palindrome.

Not A Prime Number

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

Four hundred and one thousand nine hundred and eighty is a composite number with 24 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Four hundred and 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 four hundred and one thousand nine hundred and eighty has the following 4 prime factors:

2
221
Two in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
101
4h21
One Hundred and One in Base 21 Unovigesimal
199
9a21
One Hundred and Ninety-Nine in Base 21 Unovigesimal

Prime Factorization

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

2212 · 5211 · 4h211 · 9a211 = 218aj21

Base Conversions

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