The Number

81142

Eighty-One Thousand One Hundred and Forty-Two

In Base 31 Untrigesimal Is

2mdf31

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

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

Nearby Numbers

Positive, nonzero integers within three units

81139
2mdc31
Eighty-One Thousand One Hundred and Thirty-Nine in Base 31 Untrigesimal
81140
2mdd31
Eighty-One Thousand One Hundred and Forty in Base 31 Untrigesimal
81141
2mde31
Eighty-One Thousand One Hundred and Forty-One in Base 31 Untrigesimal
81143
2mdg31
Eighty-One Thousand One Hundred and Forty-Three in Base 31 Untrigesimal
81144
2mdh31
Eighty-One Thousand One Hundred and Forty-Four in Base 31 Untrigesimal
81145
2mdi31
Eighty-One Thousand One Hundred 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.

8.1142e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000bbpkf3trr7q31

The reciprocal of 81142 in Base 31 Untrigesimal.

Palindrome?

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

The number 2mdf31 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 forty-two is a composite number with 8 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 forty-two is a composite number with 8 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 forty-two has the following 3 prime factors:

2
231
Two in Base 31 Untrigesimal
29
t31
Twenty-Nine in Base 31 Untrigesimal
1399
1e431
One Thousand Three Hundred and Ninety-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 · t311 · 1e4311 = 2mdf31

Base Conversions

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