The Number

421391

Four Hundred and Twenty-One Thousand Three Hundred and Ninety-One

In Base 21 Unovigesimal Is

23ab521

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

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

Nearby Numbers

Positive, nonzero integers within three units

421388
23ab221
Four Hundred and Twenty-One Thousand Three Hundred and Eighty-Eight in Base 21 Unovigesimal
421389
23ab321
Four Hundred and Twenty-One Thousand Three Hundred and Eighty-Nine in Base 21 Unovigesimal
421390
23ab421
Four Hundred and Twenty-One Thousand Three Hundred and Ninety in Base 21 Unovigesimal
421392
23ab621
Four Hundred and Twenty-One Thousand Three Hundred and Ninety-Two in Base 21 Unovigesimal
421393
23ab721
Four Hundred and Twenty-One Thousand Three Hundred and Ninety-Three in Base 21 Unovigesimal
421394
23ab821
Four Hundred and Twenty-One Thousand Three Hundred and Ninety-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.

4.21391e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00009eb337aebaih21

The reciprocal of 421391 in Base 21 Unovigesimal.

Palindrome?

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

The number 23ab521 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 three hundred and ninety-one 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 twenty-one thousand three hundred and ninety-one 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 twenty-one thousand three hundred and ninety-one has the following 2 prime factors:

83
3k21
Eighty-Three in Base 21 Unovigesimal
5077
bag21
Five Thousand and Seventy-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

3k211 · bag211 = 23ab521

Base Conversions

The number four hundred and twenty-one thousand three hundred and ninety-one in 35 different bases