The Number

31391

Thirty-One Thousand Three Hundred and Ninety-One

In Base 12 Duodecimal Is

161bb12

The numbers with a 12 subscript use Base 12 Duodecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

31388
161b812
Thirty-One Thousand Three Hundred and Eighty-Eight in Base 12 Duodecimal
31389
161b912
Thirty-One Thousand Three Hundred and Eighty-Nine in Base 12 Duodecimal
31390
161ba12
Thirty-One Thousand Three Hundred and Ninety in Base 12 Duodecimal
31392
1620012
Thirty-One Thousand Three Hundred and Ninety-Two in Base 12 Duodecimal
31393
1620112
Thirty-One Thousand Three Hundred and Ninety-Three in Base 12 Duodecimal
31394
1620212
Thirty-One Thousand Three Hundred and Ninety-Four in Base 12 Duodecimal

Scientific Notation

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

3.1391e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00007b1573b25b3672a12

The reciprocal of 31391 in Base 12 Duodecimal.

Palindrome?

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

The number 161bb12 is not a palindrome.

A Prime Number

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

Thirty-one thousand three hundred and ninety-one is the 3383rd prime number.   See primes in Base 12 Duodecimal

Not A Composite

Composites have more than just these two factors.

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

31391
161bb12
Thirty-One Thousand Three Hundred and Ninety-One in Base 12 Duodecimal

Prime Factorization

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

161bb121 = 161bb12

Base Conversions

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