The Number

221081

Two Hundred and Twenty-One Thousand and Eighty-One

In Base 31 Untrigesimal Is

7d1k31

The numbers with a 31 subscript use Base 31 Untrigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

221078
7d1h31
Two Hundred and Twenty-One Thousand and Seventy-Eight in Base 31 Untrigesimal
221079
7d1i31
Two Hundred and Twenty-One Thousand and Seventy-Nine in Base 31 Untrigesimal
221080
7d1j31
Two Hundred and Twenty-One Thousand and Eighty in Base 31 Untrigesimal
221082
7d1l31
Two Hundred and Twenty-One Thousand and Eighty-Two in Base 31 Untrigesimal
221083
7d1m31
Two Hundred and Twenty-One Thousand and Eighty-Three in Base 31 Untrigesimal
221084
7d1n31
Two Hundred and Twenty-One Thousand and Eighty-Four in Base 31 Untrigesimal

Scientific Notation

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

2.21081e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00045fbqfpspsk31

The reciprocal of 221081 in Base 31 Untrigesimal.

Palindrome?

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

The number 7d1k31 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 and eighty-one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 31 Untrigesimal

A Composite

Composites have more than just these two factors.

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

7
731
Seven in Base 31 Untrigesimal
31583
11qp31
Thirty-One Thousand Five Hundred and Eighty-Three in Base 31 Untrigesimal

Prime Factorization

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

7311 · 11qp311 = 7d1k31

Base Conversions

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