The Number

31021

Thirty-One Thousand and Twenty-One

In Base 18 Octodecimal Is

55d718

The numbers with a 18 subscript use Base 18 Octodecimal notation.

For more familiar numbers: See Thirty-One Thousand and Twenty-One in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

31018
55d418
Thirty-One Thousand and Eightteen in Base 18 Octodecimal
31019
55d518
Thirty-One Thousand and Nineteen in Base 18 Octodecimal
31020
55d618
Thirty-One Thousand and Twenty in Base 18 Octodecimal
31022
55d818
Thirty-One Thousand and Twenty-Two in Base 18 Octodecimal
31023
55d918
Thirty-One Thousand and Twenty-Three in Base 18 Octodecimal
31024
55da18
Thirty-One Thousand and Twenty-Four in Base 18 Octodecimal

Scientific Notation

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

3.1021e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00036g7bh24fbce118

The reciprocal of 31021 in Base 18 Octodecimal.

Palindrome?

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

The number 55d718 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 and twenty-one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 18 Octodecimal

A Composite

Composites have more than just these two factors.

Thirty-one thousand and twenty-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 and twenty-one has the following 2 prime factors:

67
3d18
Sixty-Seven in Base 18 Octodecimal
463
17d18
Four Hundred and Sixty-Three in Base 18 Octodecimal

Prime Factorization

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

3d181 · 17d181 = 55d718

Base Conversions

The number thirty-one thousand and twenty-one in 35 different bases