The Number

221885

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

In Base 31 Untrigesimal Is

7dri31

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

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

Nearby Numbers

Positive, nonzero integers within three units

221882
7drf31
Two Hundred and Twenty-One Thousand Eight Hundred and Eighty-Two in Base 31 Untrigesimal
221883
7drg31
Two Hundred and Twenty-One Thousand Eight Hundred and Eighty-Three in Base 31 Untrigesimal
221884
7drh31
Two Hundred and Twenty-One Thousand Eight Hundred and Eighty-Four in Base 31 Untrigesimal
221886
7drj31
Two Hundred and Twenty-One Thousand Eight Hundred and Eighty-Six in Base 31 Untrigesimal
221887
7drk31
Two Hundred and Twenty-One Thousand Eight Hundred and Eighty-Seven in Base 31 Untrigesimal
221888
7drl31
Two Hundred and Twenty-One Thousand Eight Hundred and Eighty-Eight in Base 31 Untrigesimal

Scientific Notation

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

2.21885e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000450psllf5ps31

The reciprocal of 221885 in Base 31 Untrigesimal.

Palindrome?

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

The number 7dri31 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 eight hundred and eighty-five is a composite number with 8 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 eight 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 eight hundred and eighty-five has the following 3 prime factors:

5
531
Five in Base 31 Untrigesimal
199
6d31
One Hundred and Ninety-Nine in Base 31 Untrigesimal
223
7631
Two Hundred and Twenty-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

5311 · 6d311 · 76311 = 7dri31

Base Conversions

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