The Number

81180

Eighty-One Thousand One Hundred and Eighty

In Base 31 Untrigesimal Is

2mem31

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

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

Nearby Numbers

Positive, nonzero integers within three units

81177
2mej31
Eighty-One Thousand One Hundred and Seventy-Seven in Base 31 Untrigesimal
81178
2mek31
Eighty-One Thousand One Hundred and Seventy-Eight in Base 31 Untrigesimal
81179
2mel31
Eighty-One Thousand One Hundred and Seventy-Nine in Base 31 Untrigesimal
81181
2men31
Eighty-One Thousand One Hundred and Eighty-One in Base 31 Untrigesimal
81182
2meo31
Eighty-One Thousand One Hundred and Eighty-Two in Base 31 Untrigesimal
81183
2mep31
Eighty-One Thousand One Hundred and Eighty-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.

8.1180e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000bbkgnsrkkl31

The reciprocal of 81180 in Base 31 Untrigesimal.

Palindrome?

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

The number 2mem31 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 one hundred and eighty is a composite number with 72 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 one hundred and eighty is a composite number with 72 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 one hundred and eighty has the following 5 prime factors:

2
231
Two in Base 31 Untrigesimal
3
331
Three in Base 31 Untrigesimal
5
531
Five in Base 31 Untrigesimal
11
b31
Eleven in Base 31 Untrigesimal
41
1a31
Forty-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 · 3312 · 5311 · b311 · 1a311 = 2mem31

Base Conversions

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