The Number

20381

Twenty Thousand Three Hundred and Eighty-One

In Base 13 Tridecimal Is

937a13

The numbers with a 13 subscript use Base 13 Tridecimal 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
937713
Twenty Thousand Three Hundred and Seventy-Eight in Base 13 Tridecimal
20379
937813
Twenty Thousand Three Hundred and Seventy-Nine in Base 13 Tridecimal
20380
937913
Twenty Thousand Three Hundred and Eighty in Base 13 Tridecimal
20382
937b13
Twenty Thousand Three Hundred and Eighty-Two in Base 13 Tridecimal
20383
937c13
Twenty Thousand Three Hundred and Eighty-Three in Base 13 Tridecimal
20384
938013
Twenty 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.

2.0381e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000152aa100cc21603613

The reciprocal of 20381 in Base 13 Tridecimal.

Palindrome?

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

The number 937a13 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 13 Tridecimal

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
6b13
Eighty-Nine in Base 13 Tridecimal
229
14813
Two Hundred and Twenty-Nine in Base 13 Tridecimal

Prime Factorization

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

6b131 · 148131 = 937a13

Base Conversions

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