The Number

421681

Four Hundred and Twenty-One Thousand Six Hundred and Eighty-One

In Base 21 Unovigesimal Is

23b4121

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

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

Nearby Numbers

Positive, nonzero integers within three units

421678
23b3j21
Four Hundred and Twenty-One Thousand Six Hundred and Seventy-Eight in Base 21 Unovigesimal
421679
23b3k21
Four Hundred and Twenty-One Thousand Six Hundred and Seventy-Nine in Base 21 Unovigesimal
421680
23b4021
Four Hundred and Twenty-One Thousand Six Hundred and Eighty in Base 21 Unovigesimal
421682
23b4221
Four Hundred and Twenty-One Thousand Six Hundred and Eighty-Two in Base 21 Unovigesimal
421683
23b4321
Four Hundred and Twenty-One Thousand Six Hundred and Eighty-Three in Base 21 Unovigesimal
421684
23b4421
Four Hundred and Twenty-One Thousand Six Hundred and Eighty-Four in Base 21 Unovigesimal

Scientific Notation

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

4.21681e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00009e84918bc52b821

The reciprocal of 421681 in Base 21 Unovigesimal.

Palindrome?

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

The number 23b4121 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 twenty-one thousand six hundred and eighty-one is a composite number with 8 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 twenty-one thousand six hundred and eighty-one is a composite number with 8 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 twenty-one thousand six hundred and eighty-one has the following 3 prime factors:

13
d21
Thirteen in Base 21 Unovigesimal
163
7g21
One Hundred and Sixty-Three 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

d211 · 7g211 · 9a211 = 23b4121

Base Conversions

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