The Number

21385

Twenty-One Thousand Three Hundred and Eighty-Five

In Base 31 Untrigesimal Is

m7q31

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

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

Nearby Numbers

Positive, nonzero integers within three units

21382
m7n31
Twenty-One Thousand Three Hundred and Eighty-Two in Base 31 Untrigesimal
21383
m7o31
Twenty-One Thousand Three Hundred and Eighty-Three in Base 31 Untrigesimal
21384
m7p31
Twenty-One Thousand Three Hundred and Eighty-Four in Base 31 Untrigesimal
21386
m7r31
Twenty-One Thousand Three Hundred and Eighty-Six in Base 31 Untrigesimal
21387
m7s31
Twenty-One Thousand Three Hundred and Eighty-Seven in Base 31 Untrigesimal
21388
m7t31
Twenty-One Thousand Three 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.

2.1385e4

Reciprocal

A number multiplied with its reciprocal is one.

0.001c5n6tg6e0ii31

The reciprocal of 21385 in Base 31 Untrigesimal.

Palindrome?

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

The number m7q31 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 three hundred and eighty-five 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 three hundred and eighty-five 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 three hundred and eighty-five has the following 4 prime factors:

5
531
Five in Base 31 Untrigesimal
7
731
Seven in Base 31 Untrigesimal
13
d31
Thirteen in Base 31 Untrigesimal
47
1g31
Forty-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 · 7311 · d311 · 1g311 = m7q31

Base Conversions

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