The Number

81020

Eighty-One Thousand and Twenty

In Base 31 Untrigesimal Is

2m9h31

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

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

Nearby Numbers

Positive, nonzero integers within three units

81017
2m9e31
Eighty-One Thousand and Seventeen in Base 31 Untrigesimal
81018
2m9f31
Eighty-One Thousand and Eightteen in Base 31 Untrigesimal
81019
2m9g31
Eighty-One Thousand and Nineteen in Base 31 Untrigesimal
81021
2m9i31
Eighty-One Thousand and Twenty-One in Base 31 Untrigesimal
81022
2m9j31
Eighty-One Thousand and Twenty-Two in Base 31 Untrigesimal
81023
2m9k31
Eighty-One Thousand and Twenty-Three in Base 31 Untrigesimal

Scientific Notation

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

8.1020e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000bcb41mucc2f31

The reciprocal of 81020 in Base 31 Untrigesimal.

Palindrome?

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

The number 2m9h31 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 and twenty is a composite number with 12 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 and twenty is a composite number with 12 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 and twenty has the following 3 prime factors:

2
231
Two in Base 31 Untrigesimal
5
531
Five in Base 31 Untrigesimal
4051
46l31
Four Thousand and Fifty-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

2312 · 5311 · 46l311 = 2m9h31

Base Conversions

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