The Number

401989

Four Hundred and One Thousand Nine Hundred and Eighty-Nine

In Base 21 Unovigesimal Is

218b721

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-Nine in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

401986
218b421
Four Hundred and One Thousand Nine Hundred and Eighty-Six in Base 21 Unovigesimal
401987
218b521
Four Hundred and One Thousand Nine Hundred and Eighty-Seven in Base 21 Unovigesimal
401988
218b621
Four Hundred and One Thousand Nine Hundred and Eighty-Eight in Base 21 Unovigesimal
401990
218b821
Four Hundred and One Thousand Nine Hundred and Ninety in Base 21 Unovigesimal
401991
218b921
Four Hundred and One Thousand Nine Hundred and Ninety-One in Base 21 Unovigesimal
401992
218ba21
Four Hundred and One Thousand Nine Hundred and Ninety-Two in Base 21 Unovigesimal

Scientific Notation

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

4.01989e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000a37961d4j7d7d21

The reciprocal of 401989 in Base 21 Unovigesimal.

Palindrome?

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

The number 218b721 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-nine is a composite number with 4 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-nine is a composite number with 4 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-nine has the following 2 prime factors:

7
721
Seven in Base 21 Unovigesimal
57427
644d21
Fifty-Seven Thousand Four Hundred and Twenty-Seven in Base 21 Unovigesimal

Prime Factorization

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

7211 · 644d211 = 218b721

Base Conversions

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