The Number

31213

Thirty-One Thousand Two Hundred and Thirteen

Nearby Numbers

Positive, nonzero integers within three units

31210
Thirty-One Thousand Two Hundred and Ten
31211
Thirty-One Thousand Two Hundred and Eleven
31212
Thirty-One Thousand Two Hundred and Twelve
31214
Thirty-One Thousand Two Hundred and Fourteen
31215
Thirty-One Thousand Two Hundred and Fifteen
31216
Thirty-One Thousand Two Hundred and Sixteen

Scientific Notation

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

3.1213e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000032037932912568484

The reciprocal of 31213.

Palindrome?

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

The number 31213 is a palindrome.

Not A Prime Number

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

Thirty-one thousand two hundred and thirteen is a composite number with 10 total factors (including 1 and itself).   See primes in Base 10 Decimal

A Composite

Composites have more than just these two factors.

Thirty-one thousand two hundred and thirteen is a composite number with 10 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 two hundred and thirteen has the following 2 prime factors:

7
Seven
13
Thirteen

Prime Factorization

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

74 · 131 = 31213

Base Conversions

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