The Number

81045

Eighty-One Thousand and Forty-Five

In Base 31 Untrigesimal Is

2mab31

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

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

Nearby Numbers

Positive, nonzero integers within three units

81042
2ma831
Eighty-One Thousand and Forty-Two in Base 31 Untrigesimal
81043
2ma931
Eighty-One Thousand and Forty-Three in Base 31 Untrigesimal
81044
2maa31
Eighty-One Thousand and Forty-Four in Base 31 Untrigesimal
81046
2mac31
Eighty-One Thousand and Forty-Six in Base 31 Untrigesimal
81047
2mad31
Eighty-One Thousand and Forty-Seven in Base 31 Untrigesimal
81048
2mae31
Eighty-One Thousand and Forty-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.

8.1045e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000bc7n9fbl9tl31

The reciprocal of 81045 in Base 31 Untrigesimal.

Palindrome?

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

The number 2mab31 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 forty-five 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 forty-five 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 forty-five has the following 3 prime factors:

3
331
Three in Base 31 Untrigesimal
5
531
Five in Base 31 Untrigesimal
1801
1r331
One Thousand Eight 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

3312 · 5311 · 1r3311 = 2mab31

Base Conversions

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