The Number

31920

Thirty-One Thousand Nine Hundred and Twenty

In Base 21 Unovigesimal Is

398021

The numbers with a 21 subscript use Base 21 Unovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

31917
397i21
Thirty-One Thousand Nine Hundred and Seventeen in Base 21 Unovigesimal
31918
397j21
Thirty-One Thousand Nine Hundred and Eightteen in Base 21 Unovigesimal
31919
397k21
Thirty-One Thousand Nine Hundred and Nineteen in Base 21 Unovigesimal
31921
398121
Thirty-One Thousand Nine Hundred and Twenty-One in Base 21 Unovigesimal
31922
398221
Thirty-One Thousand Nine Hundred and Twenty-Two in Base 21 Unovigesimal
31923
398321
Thirty-One Thousand Nine Hundred and Twenty-Three in Base 21 Unovigesimal

Scientific Notation

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

3.1920e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00061jj1e24ejd621

The reciprocal of 31920 in Base 21 Unovigesimal.

Palindrome?

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

The number 398021 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 nine hundred and twenty is a composite number with 80 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Thirty-one thousand nine hundred and twenty is a composite number with 80 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 nine hundred and twenty has the following 5 prime factors:

2
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
7
721
Seven in Base 21 Unovigesimal
19
j21
Nineteen in Base 21 Unovigesimal

Prime Factorization

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

2214 · 3211 · 5211 · 7211 · j211 = 398021

Base Conversions

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