The Number

221513

Two Hundred and Twenty-One Thousand Five Hundred and Thirteen

In Base 21 Unovigesimal Is

12j6521

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

For more familiar numbers: See Two Hundred and Twenty-One Thousand Five Hundred and Thirteen in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

221510
12j6221
Two Hundred and Twenty-One Thousand Five Hundred and Ten in Base 21 Unovigesimal
221511
12j6321
Two Hundred and Twenty-One Thousand Five Hundred and Eleven in Base 21 Unovigesimal
221512
12j6421
Two Hundred and Twenty-One Thousand Five Hundred and Twelve in Base 21 Unovigesimal
221514
12j6621
Two Hundred and Twenty-One Thousand Five Hundred and Fourteen in Base 21 Unovigesimal
221515
12j6721
Two Hundred and Twenty-One Thousand Five Hundred and Fifteen in Base 21 Unovigesimal
221516
12j6821
Two Hundred and Twenty-One Thousand Five Hundred and Sixteen in Base 21 Unovigesimal

Scientific Notation

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

2.21513e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000i93hgkdieg8f21

The reciprocal of 221513 in Base 21 Unovigesimal.

Palindrome?

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

The number 12j6521 is not a palindrome.

Not A Prime Number

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

Two hundred and twenty-one thousand five hundred and thirteen 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.

Two hundred and twenty-one thousand five hundred and thirteen 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 two hundred and twenty-one thousand five hundred and thirteen has the following 2 prime factors:

23
1221
Twenty-Three in Base 21 Unovigesimal
9631
10hd21
Nine Thousand Six Hundred and Thirty-One in Base 21 Unovigesimal

Prime Factorization

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

12211 · 10hd211 = 12j6521

Base Conversions

The number two hundred and twenty-one thousand five hundred and thirteen in 35 different bases