The Number

218121

Two Hundred and Eightteen Thousand One Hundred and Twenty-One

In Base 31 Untrigesimal Is

79u531

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

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

Nearby Numbers

Positive, nonzero integers within three units

218118
79u231
Two Hundred and Eightteen Thousand One Hundred and Eightteen in Base 31 Untrigesimal
218119
79u331
Two Hundred and Eightteen Thousand One Hundred and Nineteen in Base 31 Untrigesimal
218120
79u431
Two Hundred and Eightteen Thousand One Hundred and Twenty in Base 31 Untrigesimal
218122
79u631
Two Hundred and Eightteen Thousand One Hundred and Twenty-Two in Base 31 Untrigesimal
218123
79u731
Two Hundred and Eightteen Thousand One Hundred and Twenty-Three in Base 31 Untrigesimal
218124
79u831
Two Hundred and Eightteen Thousand One Hundred and Twenty-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.

2.18121e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000477qjrb4ntb31

The reciprocal of 218121 in Base 31 Untrigesimal.

Palindrome?

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

The number 79u531 is not a palindrome.

Not A Prime Number

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

Two hundred and eightteen thousand one hundred and twenty-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.

Two hundred and eightteen thousand one hundred 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 two hundred and eightteen thousand one hundred and twenty-one has the following 2 prime factors:

3
331
Three in Base 31 Untrigesimal
72707
2dkc31
Seventy-Two Thousand Seven Hundred and Seven in Base 31 Untrigesimal

Prime Factorization

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

3311 · 2dkc311 = 79u531

Base Conversions

The number two hundred and eightteen thousand one hundred and twenty-one in 35 different bases