The Number

21238

Twenty-One Thousand Two Hundred and Thirty-Eight

In Base 21 Unovigesimal Is

263721

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

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

Nearby Numbers

Positive, nonzero integers within three units

21235
263421
Twenty-One Thousand Two Hundred and Thirty-Five in Base 21 Unovigesimal
21236
263521
Twenty-One Thousand Two Hundred and Thirty-Six in Base 21 Unovigesimal
21237
263621
Twenty-One Thousand Two Hundred and Thirty-Seven in Base 21 Unovigesimal
21239
263821
Twenty-One Thousand Two Hundred and Thirty-Nine in Base 21 Unovigesimal
21240
263921
Twenty-One Thousand Two Hundred and Forty in Base 21 Unovigesimal
21241
263a21
Twenty-One Thousand Two Hundred and Forty-One in Base 21 Unovigesimal

Scientific Notation

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

2.1238e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0009366kjkd64e2c21

The reciprocal of 21238 in Base 21 Unovigesimal.

Palindrome?

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

The number 263721 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 two hundred and thirty-eight is a composite number with 16 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand two hundred and thirty-eight 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 two hundred and thirty-eight has the following 4 prime factors:

2
221
Two in Base 21 Unovigesimal
7
721
Seven in Base 21 Unovigesimal
37
1g21
Thirty-Seven in Base 21 Unovigesimal
41
1k21
Forty-One in Base 21 Unovigesimal

Prime Factorization

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

2211 · 7211 · 1g211 · 1k211 = 263721

Base Conversions

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