The Number

221185

Two Hundred and Twenty-One Thousand One Hundred and Eighty-Five

In Base 21 Unovigesimal Is

12ibd21

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 Eighty-Five in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

221182
12iba21
Two Hundred and Twenty-One Thousand One Hundred and Eighty-Two in Base 21 Unovigesimal
221183
12ibb21
Two Hundred and Twenty-One Thousand One Hundred and Eighty-Three in Base 21 Unovigesimal
221184
12ibc21
Two Hundred and Twenty-One Thousand One Hundred and Eighty-Four in Base 21 Unovigesimal
221186
12ibe21
Two Hundred and Twenty-One Thousand One Hundred and Eighty-Six in Base 21 Unovigesimal
221187
12ibf21
Two Hundred and Twenty-One Thousand One Hundred and Eighty-Seven in Base 21 Unovigesimal
221188
12ibg21
Two Hundred and Twenty-One Thousand One Hundred and Eighty-Eight in Base 21 Unovigesimal

Scientific Notation

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

2.21185e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000i9fj066kbeaf21

The reciprocal of 221185 in Base 21 Unovigesimal.

Palindrome?

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

The number 12ibd21 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 eighty-five 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.

Two hundred and twenty-one thousand one hundred and eighty-five 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 two hundred and twenty-one thousand one hundred and eighty-five has the following 3 prime factors:

5
521
Five in Base 21 Unovigesimal
31
1a21
Thirty-One in Base 21 Unovigesimal
1427
34k21
One Thousand Four Hundred and Twenty-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

5211 · 1a211 · 34k211 = 12ibd21

Base Conversions

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