The Number

81428

Eighty-One Thousand Four Hundred and Twenty-Eight

In Base 31 Untrigesimal Is

2mmm31

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

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

Nearby Numbers

Positive, nonzero integers within three units

81425
2mmj31
Eighty-One Thousand Four Hundred and Twenty-Five in Base 31 Untrigesimal
81426
2mmk31
Eighty-One Thousand Four Hundred and Twenty-Six in Base 31 Untrigesimal
81427
2mml31
Eighty-One Thousand Four Hundred and Twenty-Seven in Base 31 Untrigesimal
81429
2mmn31
Eighty-One Thousand Four Hundred and Twenty-Nine in Base 31 Untrigesimal
81430
2mmo31
Eighty-One Thousand Four Hundred and Thirty in Base 31 Untrigesimal
81431
2mmp31
Eighty-One Thousand Four Hundred and Thirty-One in Base 31 Untrigesimal

Scientific Notation

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

8.1428e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000bai7htq72m431

The reciprocal of 81428 in Base 31 Untrigesimal.

Palindrome?

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

The number 2mmm31 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 four hundred and twenty-eight is a composite number with 6 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 four hundred and twenty-eight is a composite number with 6 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 four hundred and twenty-eight has the following 2 prime factors:

2
231
Two in Base 31 Untrigesimal
20357
l5l31
Twenty Thousand Three Hundred and Fifty-Seven in Base 31 Untrigesimal

Prime Factorization

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

2312 · l5l311 = 2mmm31

Base Conversions

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