The Number

21970

Twenty-One Thousand Nine Hundred and Seventy

In Base 31 Untrigesimal Is

mqm31

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

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

Nearby Numbers

Positive, nonzero integers within three units

21967
mqj31
Twenty-One Thousand Nine Hundred and Sixty-Seven in Base 31 Untrigesimal
21968
mqk31
Twenty-One Thousand Nine Hundred and Sixty-Eight in Base 31 Untrigesimal
21969
mql31
Twenty-One Thousand Nine Hundred and Sixty-Nine in Base 31 Untrigesimal
21971
mqn31
Twenty-One Thousand Nine Hundred and Seventy-One in Base 31 Untrigesimal
21972
mqo31
Twenty-One Thousand Nine Hundred and Seventy-Two in Base 31 Untrigesimal
21973
mqp31
Twenty-One Thousand Nine Hundred and Seventy-Three in Base 31 Untrigesimal

Scientific Notation

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

2.1970e4

Reciprocal

A number multiplied with its reciprocal is one.

0.001b1350nki75k31

The reciprocal of 21970 in Base 31 Untrigesimal.

Palindrome?

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

The number mqm31 is a palindrome.

Not A Prime Number

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

Twenty-one thousand nine hundred and seventy is a composite number with 16 total factors (including 1 and itself).   See primes in Base 31 Untrigesimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand nine hundred and seventy is a composite number with 16 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 twenty-one thousand nine hundred and seventy has the following 3 prime factors:

2
231
Two in Base 31 Untrigesimal
5
531
Five in Base 31 Untrigesimal
13
d31
Thirteen in Base 31 Untrigesimal

Prime Factorization

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

2311 · 5311 · d313 = mqm31

Base Conversions

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