The Number

20381

Twenty Thousand Three Hundred and Eighty-One

In Base 31 Untrigesimal Is

l6e31

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

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

Nearby Numbers

Positive, nonzero integers within three units

20378
l6b31
Twenty Thousand Three Hundred and Seventy-Eight in Base 31 Untrigesimal
20379
l6c31
Twenty Thousand Three Hundred and Seventy-Nine in Base 31 Untrigesimal
20380
l6d31
Twenty Thousand Three Hundred and Eighty in Base 31 Untrigesimal
20382
l6f31
Twenty Thousand Three Hundred and Eighty-Two in Base 31 Untrigesimal
20383
l6g31
Twenty Thousand Three Hundred and Eighty-Three in Base 31 Untrigesimal
20384
l6h31
Twenty Thousand Three Hundred and Eighty-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.

2.0381e4

Reciprocal

A number multiplied with its reciprocal is one.

0.001e9ljpko5p0o31

The reciprocal of 20381 in Base 31 Untrigesimal.

Palindrome?

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

The number l6e31 is not a palindrome.

Not A Prime Number

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

Twenty thousand three hundred and eighty-one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 31 Untrigesimal

A Composite

Composites have more than just these two factors.

Twenty 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 twenty thousand three hundred and eighty-one has the following 2 prime factors:

89
2r31
Eighty-Nine in Base 31 Untrigesimal
229
7c31
Two Hundred and Twenty-Nine in Base 31 Untrigesimal

Prime Factorization

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

2r311 · 7c311 = l6e31

Base Conversions

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