The Number

421668

Four Hundred and Twenty-One Thousand Six Hundred and Sixty-Eight

In Base 21 Unovigesimal Is

23b3921

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 Sixty-Eight in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

421665
23b3621
Four Hundred and Twenty-One Thousand Six Hundred and Sixty-Five in Base 21 Unovigesimal
421666
23b3721
Four Hundred and Twenty-One Thousand Six Hundred and Sixty-Six in Base 21 Unovigesimal
421667
23b3821
Four Hundred and Twenty-One Thousand Six Hundred and Sixty-Seven in Base 21 Unovigesimal
421669
23b3a21
Four Hundred and Twenty-One Thousand Six Hundred and Sixty-Nine in Base 21 Unovigesimal
421670
23b3b21
Four Hundred and Twenty-One Thousand Six Hundred and Seventy in Base 21 Unovigesimal
421671
23b3c21
Four Hundred and Twenty-One Thousand Six Hundred and Seventy-One in Base 21 Unovigesimal

Scientific Notation

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

4.21668e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00009e8742j0i02ga21

The reciprocal of 421668 in Base 21 Unovigesimal.

Palindrome?

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

The number 23b3921 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 sixty-eight is a composite number with 72 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 sixty-eight is a composite number with 72 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 sixty-eight has the following 5 prime factors:

2
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
13
d21
Thirteen in Base 21 Unovigesimal
17
h21
Seventeen in Base 21 Unovigesimal
53
2b21
Fifty-Three 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 · 3212 · d211 · h211 · 2b211 = 23b3921

Base Conversions

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