The Number

21872

Twenty-One Thousand Eight Hundred and Seventy-Two

In Base 23 Trivigesimal Is

1i7m23

The numbers with a 23 subscript use Base 23 Trivigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21869
1i7j23
Twenty-One Thousand Eight Hundred and Sixty-Nine in Base 23 Trivigesimal
21870
1i7k23
Twenty-One Thousand Eight Hundred and Seventy in Base 23 Trivigesimal
21871
1i7l23
Twenty-One Thousand Eight Hundred and Seventy-One in Base 23 Trivigesimal
21873
1i8023
Twenty-One Thousand Eight Hundred and Seventy-Three in Base 23 Trivigesimal
21874
1i8123
Twenty-One Thousand Eight Hundred and Seventy-Four in Base 23 Trivigesimal
21875
1i8223
Twenty-One Thousand Eight Hundred and Seventy-Five in Base 23 Trivigesimal

Scientific Notation

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

2.1872e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000ci66bi15ic5923

The reciprocal of 21872 in Base 23 Trivigesimal.

Palindrome?

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

The number 1i7m23 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 eight hundred and seventy-two is a composite number with 10 total factors (including 1 and itself).   See primes in Base 23 Trivigesimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand eight hundred and seventy-two is a composite number with 10 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 eight hundred and seventy-two has the following 2 prime factors:

2
223
Two in Base 23 Trivigesimal
1367
2da23
One Thousand Three Hundred and Sixty-Seven in Base 23 Trivigesimal

Prime Factorization

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

2234 · 2da231 = 1i7m23

Base Conversions

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