The Number

81042

Eighty-One Thousand and Forty-Two

In Base 31 Untrigesimal Is

2ma831

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

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

Nearby Numbers

Positive, nonzero integers within three units

81039
2ma531
Eighty-One Thousand and Thirty-Nine in Base 31 Untrigesimal
81040
2ma631
Eighty-One Thousand and Forty in Base 31 Untrigesimal
81041
2ma731
Eighty-One Thousand and Forty-One 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
81045
2mab31
Eighty-One Thousand and Forty-Five in Base 31 Untrigesimal

Scientific Notation

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

8.1042e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000bc84r1qb2dp31

The reciprocal of 81042 in Base 31 Untrigesimal.

Palindrome?

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

The number 2ma831 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-two is a composite number with 16 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-two is a composite number with 16 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-two has the following 4 prime factors:

2
231
Two in Base 31 Untrigesimal
3
331
Three in Base 31 Untrigesimal
13
d31
Thirteen in Base 31 Untrigesimal
1039
12g31
One Thousand and Thirty-Nine in Base 31 Untrigesimal

Prime Factorization

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

2311 · 3311 · d311 · 12g311 = 2ma831

Base Conversions

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