The Number

221131

Two Hundred and Twenty-One Thousand One Hundred and Thirty-One

In Base 21 Unovigesimal Is

12i9121

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

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

Nearby Numbers

Positive, nonzero integers within three units

221128
12i8j21
Two Hundred and Twenty-One Thousand One Hundred and Twenty-Eight in Base 21 Unovigesimal
221129
12i8k21
Two Hundred and Twenty-One Thousand One Hundred and Twenty-Nine in Base 21 Unovigesimal
221130
12i9021
Two Hundred and Twenty-One Thousand One Hundred and Thirty in Base 21 Unovigesimal
221132
12i9221
Two Hundred and Twenty-One Thousand One Hundred and Thirty-Two in Base 21 Unovigesimal
221133
12i9321
Two Hundred and Twenty-One Thousand One Hundred and Thirty-Three in Base 21 Unovigesimal
221134
12i9421
Two Hundred and Twenty-One Thousand One Hundred and Thirty-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.

2.21131e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000i9hig4fcd0d221

The reciprocal of 221131 in Base 21 Unovigesimal.

Palindrome?

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

The number 12i9121 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 one hundred and thirty-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.

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

251
bk21
Two Hundred and Fifty-One in Base 21 Unovigesimal
881
1kk21
Eight Hundred and Eighty-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

bk211 · 1kk211 = 12i9121

Base Conversions

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