The Number

21381

Twenty-One Thousand Three Hundred and Eighty-One

In Base 35 Pentatrigesimal Is

hfv35

The numbers with a 35 subscript use Base 35 Pentatrigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21378
hfs35
Twenty-One Thousand Three Hundred and Seventy-Eight in Base 35 Pentatrigesimal
21379
hft35
Twenty-One Thousand Three Hundred and Seventy-Nine in Base 35 Pentatrigesimal
21380
hfu35
Twenty-One Thousand Three Hundred and Eighty in Base 35 Pentatrigesimal
21382
hfw35
Twenty-One Thousand Three Hundred and Eighty-Two in Base 35 Pentatrigesimal
21383
hfx35
Twenty-One Thousand Three Hundred and Eighty-Three in Base 35 Pentatrigesimal
21384
hfy35
Twenty-One Thousand Three Hundred and Eighty-Four in Base 35 Pentatrigesimal

Scientific Notation

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

2.1381e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00206gkvkgy4s35

The reciprocal of 21381 in Base 35 Pentatrigesimal.

Palindrome?

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

The number hfv35 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-one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 35 Pentatrigesimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand three hundred and eighty-one 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 three hundred and eighty-one has the following 2 prime factors:

3
335
Three in Base 35 Pentatrigesimal
7127
5sm35
Seven Thousand One Hundred and Twenty-Seven in Base 35 Pentatrigesimal

Prime Factorization

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

3351 · 5sm351 = hfv35

Base Conversions

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