The Number

31861

Thirty-One Thousand Eight Hundred and Sixty-One

In Base 13 Tridecimal Is

1166b13

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

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

Nearby Numbers

Positive, nonzero integers within three units

31858
1166813
Thirty-One Thousand Eight Hundred and Fifty-Eight in Base 13 Tridecimal
31859
1166913
Thirty-One Thousand Eight Hundred and Fifty-Nine in Base 13 Tridecimal
31860
1166a13
Thirty-One Thousand Eight Hundred and Sixty in Base 13 Tridecimal
31862
1166c13
Thirty-One Thousand Eight Hundred and Sixty-Two in Base 13 Tridecimal
31863
1167013
Thirty-One Thousand Eight Hundred and Sixty-Three in Base 13 Tridecimal
31864
1167113
Thirty-One Thousand Eight Hundred and Sixty-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.

3.1861e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000b865a4953bb4813

The reciprocal of 31861 in Base 13 Tridecimal.

Palindrome?

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

The number 1166b13 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 eight hundred and sixty-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 eight hundred and sixty-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 eight hundred and sixty-one has the following 2 prime factors:

151
b813
One Hundred and Fifty-One in Base 13 Tridecimal
211
13313
Two Hundred and Eleven in Base 13 Tridecimal

Prime Factorization

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

b8131 · 133131 = 1166b13

Base Conversions

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