The Number

21485

Twenty-One Thousand Four Hundred and Eighty-Five

In Base 31 Untrigesimal Is

mb231

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

For more familiar numbers: See Twenty-One Thousand Four Hundred and Eighty-Five in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

21482
mau31
Twenty-One Thousand Four Hundred and Eighty-Two in Base 31 Untrigesimal
21483
mb031
Twenty-One Thousand Four Hundred and Eighty-Three in Base 31 Untrigesimal
21484
mb131
Twenty-One Thousand Four Hundred and Eighty-Four in Base 31 Untrigesimal
21486
mb331
Twenty-One Thousand Four Hundred and Eighty-Six in Base 31 Untrigesimal
21487
mb431
Twenty-One Thousand Four Hundred and Eighty-Seven in Base 31 Untrigesimal
21488
mb531
Twenty-One Thousand Four Hundred and Eighty-Eight in Base 31 Untrigesimal

Scientific Notation

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

2.1485e4

Reciprocal

A number multiplied with its reciprocal is one.

0.001bug1r5to0o531

The reciprocal of 21485 in Base 31 Untrigesimal.

Palindrome?

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

The number mb231 is not a palindrome.

Not A Prime Number

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

Twenty-one thousand four hundred and eighty-five is a composite number with 4 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 four hundred and eighty-five is a composite number with 4 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 four hundred and eighty-five has the following 2 prime factors:

5
531
Five in Base 31 Untrigesimal
4297
4ej31
Four Thousand Two Hundred and Ninety-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

5311 · 4ej311 = mb231

Base Conversions

The number twenty-one thousand four hundred and eighty-five in 35 different bases