The Number

81505

Eighty-One Thousand Five Hundred and Five

In Base 31 Untrigesimal Is

2mp631

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

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

Nearby Numbers

Positive, nonzero integers within three units

81502
2mp331
Eighty-One Thousand Five Hundred and Two in Base 31 Untrigesimal
81503
2mp431
Eighty-One Thousand Five Hundred and Three in Base 31 Untrigesimal
81504
2mp531
Eighty-One Thousand Five Hundred and Four in Base 31 Untrigesimal
81506
2mp731
Eighty-One Thousand Five Hundred and Six in Base 31 Untrigesimal
81507
2mp831
Eighty-One Thousand Five Hundred and Seven in Base 31 Untrigesimal
81508
2mp931
Eighty-One Thousand Five Hundred and 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.

8.1505e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000ba7tbme7p2b31

The reciprocal of 81505 in Base 31 Untrigesimal.

Palindrome?

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

The number 2mp631 is not a palindrome.

Not A Prime Number

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

Eighty-one thousand five hundred and five 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.

Eighty-one thousand five hundred and five 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 eighty-one thousand five hundred and five has the following 2 prime factors:

5
531
Five in Base 31 Untrigesimal
16301
gtq31
Sixteen Thousand Three Hundred and One 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 · gtq311 = 2mp631

Base Conversions

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