The Number

42991

Forty-Two Thousand Nine Hundred and Ninety-One

In Base 31 Untrigesimal Is

1dmp31

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

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

Nearby Numbers

Positive, nonzero integers within three units

42988
1dmm31
Forty-Two Thousand Nine Hundred and Eighty-Eight in Base 31 Untrigesimal
42989
1dmn31
Forty-Two Thousand Nine Hundred and Eighty-Nine in Base 31 Untrigesimal
42990
1dmo31
Forty-Two Thousand Nine Hundred and Ninety in Base 31 Untrigesimal
42992
1dmq31
Forty-Two Thousand Nine Hundred and Ninety-Two in Base 31 Untrigesimal
42993
1dmr31
Forty-Two Thousand Nine Hundred and Ninety-Three in Base 31 Untrigesimal
42994
1dms31
Forty-Two Thousand Nine Hundred and Ninety-Four in Base 31 Untrigesimal

Scientific Notation

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

4.2991e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000lest5ikih231

The reciprocal of 42991 in Base 31 Untrigesimal.

Palindrome?

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

The number 1dmp31 is not a palindrome.

Not A Prime Number

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

Forty-two thousand nine hundred and ninety-one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 31 Untrigesimal

A Composite

Composites have more than just these two factors.

Forty-two thousand nine hundred and ninety-one is a composite number with 4 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 forty-two thousand nine hundred and ninety-one has the following 2 prime factors:

13
d31
Thirteen in Base 31 Untrigesimal
3307
3dl31
Three Thousand Three Hundred and Seven in Base 31 Untrigesimal

Prime Factorization

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

d311 · 3dl311 = 1dmp31

Base Conversions

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