The Number

213921

Two Hundred and Thirteen Thousand Nine Hundred and Twenty-One

In Base 31 Untrigesimal Is

75il31

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

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

Nearby Numbers

Positive, nonzero integers within three units

213918
75ii31
Two Hundred and Thirteen Thousand Nine Hundred and Eightteen in Base 31 Untrigesimal
213919
75ij31
Two Hundred and Thirteen Thousand Nine Hundred and Nineteen in Base 31 Untrigesimal
213920
75ik31
Two Hundred and Thirteen Thousand Nine Hundred and Twenty in Base 31 Untrigesimal
213922
75im31
Two Hundred and Thirteen Thousand Nine Hundred and Twenty-Two in Base 31 Untrigesimal
213923
75in31
Two Hundred and Thirteen Thousand Nine Hundred and Twenty-Three in Base 31 Untrigesimal
213924
75io31
Two Hundred and Thirteen Thousand Nine 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.

2.13921e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00049pn2th4n8831

The reciprocal of 213921 in Base 31 Untrigesimal.

Palindrome?

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

The number 75il31 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 thirteen thousand nine hundred and twenty-one is a composite number with 20 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 thirteen thousand nine hundred and twenty-one is a composite number with 20 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 thirteen thousand nine hundred and twenty-one has the following 3 prime factors:

3
331
Three in Base 31 Untrigesimal
19
j31
Nineteen in Base 31 Untrigesimal
139
4f31
One Hundred and Thirty-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

3314 · j311 · 4f311 = 75il31

Base Conversions

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