The Number

212121

Two Hundred and Twelve Thousand One Hundred and Twenty-One

In Base 31 Untrigesimal Is

73mj31

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

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

Nearby Numbers

Positive, nonzero integers within three units

212118
73mg31
Two Hundred and Twelve Thousand One Hundred and Eightteen in Base 31 Untrigesimal
212119
73mh31
Two Hundred and Twelve Thousand One Hundred and Nineteen in Base 31 Untrigesimal
212120
73mi31
Two Hundred and Twelve Thousand One Hundred and Twenty in Base 31 Untrigesimal
212122
73mk31
Two Hundred and Twelve Thousand One Hundred and Twenty-Two in Base 31 Untrigesimal
212123
73ml31
Two Hundred and Twelve Thousand One Hundred and Twenty-Three in Base 31 Untrigesimal
212124
73mm31
Two Hundred and Twelve 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.

2.12121e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0004atte1l9cuua31

The reciprocal of 212121 in Base 31 Untrigesimal.

Palindrome?

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

The number 73mj31 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 twelve thousand one hundred and twenty-one is a composite number with 36 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 twelve thousand one hundred and twenty-one is a composite number with 36 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 twelve thousand one hundred and twenty-one has the following 4 prime factors:

3
331
Three in Base 31 Untrigesimal
7
731
Seven in Base 31 Untrigesimal
13
d31
Thirteen in Base 31 Untrigesimal
37
1631
Thirty-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

3312 · 7312 · d311 · 16311 = 73mj31

Base Conversions

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