The Number

21973

Twenty-One Thousand Nine Hundred and Seventy-Three

In Base 18 Octodecimal Is

3ded18

The numbers with a 18 subscript use Base 18 Octodecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21970
3dea18
Twenty-One Thousand Nine Hundred and Seventy in Base 18 Octodecimal
21971
3deb18
Twenty-One Thousand Nine Hundred and Seventy-One in Base 18 Octodecimal
21972
3dec18
Twenty-One Thousand Nine Hundred and Seventy-Two in Base 18 Octodecimal
21974
3dee18
Twenty-One Thousand Nine Hundred and Seventy-Four in Base 18 Octodecimal
21975
3def18
Twenty-One Thousand Nine Hundred and Seventy-Five in Base 18 Octodecimal
21976
3deg18
Twenty-One Thousand Nine Hundred and Seventy-Six in Base 18 Octodecimal

Scientific Notation

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

2.1973e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0004dhg6e89g79d6918

The reciprocal of 21973 in Base 18 Octodecimal.

Palindrome?

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

The number 3ded18 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 nine hundred and seventy-three is a composite number with 8 total factors (including 1 and itself).   See primes in Base 18 Octodecimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand nine hundred and seventy-three is a composite number with 8 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 nine hundred and seventy-three has the following 3 prime factors:

7
718
Seven in Base 18 Octodecimal
43
2718
Forty-Three in Base 18 Octodecimal
73
4118
Seventy-Three in Base 18 Octodecimal

Prime Factorization

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

7181 · 27181 · 41181 = 3ded18

Base Conversions

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