The Number

31

Thirty-One

In Base 31 Untrigesimal Is

1031

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

For more familiar numbers: See Thirty-One in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

28
s31
Twenty-Eight in Base 31 Untrigesimal
29
t31
Twenty-Nine in Base 31 Untrigesimal
30
u31
Thirty in Base 31 Untrigesimal
32
1131
Thirty-Two in Base 31 Untrigesimal
33
1231
Thirty-Three in Base 31 Untrigesimal
34
1331
Thirty-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.

3.1e1

Reciprocal

A number multiplied with its reciprocal is one.

0.131

The reciprocal of 31 in Base 31 Untrigesimal.

Palindrome?

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

The number 1031 is not a palindrome.

A Prime Number

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

Thirty-one is the 11th prime number.   See primes in Base 31 Untrigesimal

Not A Composite

Composites have more than just these two factors.

Thirty-One is not a composite number because it has exactly two factors: One and Thirty-One

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number thirty-one has the following 1 prime factor:

31
1031
Thirty-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

10311 = 1031

Base Conversions

The number thirty-one in 35 different bases