The Number

91990

Ninety-One Thousand Nine Hundred and Ninety

In Base 31 Untrigesimal Is

32md31

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

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

Nearby Numbers

Positive, nonzero integers within three units

91987
32ma31
Ninety-One Thousand Nine Hundred and Eighty-Seven in Base 31 Untrigesimal
91988
32mb31
Ninety-One Thousand Nine Hundred and Eighty-Eight in Base 31 Untrigesimal
91989
32mc31
Ninety-One Thousand Nine Hundred and Eighty-Nine in Base 31 Untrigesimal
91991
32me31
Ninety-One Thousand Nine Hundred and Ninety-One in Base 31 Untrigesimal
91992
32mf31
Ninety-One Thousand Nine Hundred and Ninety-Two in Base 31 Untrigesimal
91993
32mg31
Ninety-One Thousand Nine Hundred and Ninety-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.

9.1990e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000a16pkgggd5o31

The reciprocal of 91990 in Base 31 Untrigesimal.

Palindrome?

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

The number 32md31 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Ninety-one thousand nine hundred and ninety 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.

Ninety-one thousand nine hundred and ninety 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 ninety-one thousand nine hundred and ninety has the following 3 prime factors:

2
231
Two in Base 31 Untrigesimal
5
531
Five in Base 31 Untrigesimal
9199
9hn31
Nine Thousand One 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 · 5311 · 9hn311 = 32md31

Base Conversions

The number ninety-one thousand nine hundred and ninety in 35 different bases