The Number

31381

Thirty-One Thousand Three Hundred and Eighty-One

In Base 13 Tridecimal Is

1138c13

The numbers with a 13 subscript use Base 13 Tridecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

31378
1138913
Thirty-One Thousand Three Hundred and Seventy-Eight in Base 13 Tridecimal
31379
1138a13
Thirty-One Thousand Three Hundred and Seventy-Nine in Base 13 Tridecimal
31380
1138b13
Thirty-One Thousand Three Hundred and Eighty in Base 13 Tridecimal
31382
1139013
Thirty-One Thousand Three Hundred and Eighty-Two in Base 13 Tridecimal
31383
1139113
Thirty-One Thousand Three Hundred and Eighty-Three in Base 13 Tridecimal
31384
1139213
Thirty-One Thousand Three Hundred and Eighty-Four in Base 13 Tridecimal

Scientific Notation

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

3.1381e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000baa755081c062c13

The reciprocal of 31381 in Base 13 Tridecimal.

Palindrome?

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

The number 1138c13 is not a palindrome.

Not A Prime Number

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

Thirty-one thousand three hundred and eighty-one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 13 Tridecimal

A Composite

Composites have more than just these two factors.

Thirty-one thousand three hundred and eighty-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 thirty-one thousand three hundred and eighty-one has the following 2 prime factors:

7
713
Seven in Base 13 Tridecimal
4483
206b13
Four Thousand Four Hundred and Eighty-Three in Base 13 Tridecimal

Prime Factorization

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

7131 · 206b131 = 1138c13

Base Conversions

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