The Number

1231

One Thousand Two Hundred and Thirty-One

In Base 31 Untrigesimal Is

18m31

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

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

Nearby Numbers

Positive, nonzero integers within three units

1228
18j31
One Thousand Two Hundred and Twenty-Eight in Base 31 Untrigesimal
1229
18k31
One Thousand Two Hundred and Twenty-Nine in Base 31 Untrigesimal
1230
18l31
One Thousand Two Hundred and Thirty in Base 31 Untrigesimal
1232
18n31
One Thousand Two Hundred and Thirty-Two in Base 31 Untrigesimal
1233
18o31
One Thousand Two Hundred and Thirty-Three in Base 31 Untrigesimal
1234
18p31
One Thousand Two Hundred and 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.

1.231e3

Reciprocal

A number multiplied with its reciprocal is one.

0.00o66phbkdrsn31

The reciprocal of 1231 in Base 31 Untrigesimal.

Palindrome?

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

The number 18m31 is not a palindrome.

A Prime Number

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

One thousand two hundred and thirty-one is the 202nd prime number.   See primes in Base 31 Untrigesimal

Not A Composite

Composites have more than just these two factors.

One Thousand Two Hundred and Thirty-One is not a composite number because it has exactly two factors: One and One Thousand Two Hundred 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 one thousand two hundred and thirty-one has the following 1 prime factor:

1231
18m31
One Thousand Two Hundred and 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

18m311 = 18m31

Base Conversions

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