The Number

21930

Twenty-One Thousand Nine Hundred and Thirty

In Base 13 Tridecimal Is

9c9c13

The numbers with a 13 subscript use Base 13 Tridecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21927
9c9913
Twenty-One Thousand Nine Hundred and Twenty-Seven in Base 13 Tridecimal
21928
9c9a13
Twenty-One Thousand Nine Hundred and Twenty-Eight in Base 13 Tridecimal
21929
9c9b13
Twenty-One Thousand Nine Hundred and Twenty-Nine in Base 13 Tridecimal
21931
9ca013
Twenty-One Thousand Nine Hundred and Thirty-One in Base 13 Tridecimal
21932
9ca113
Twenty-One Thousand Nine Hundred and Thirty-Two in Base 13 Tridecimal
21933
9ca213
Twenty-One Thousand Nine Hundred and Thirty-Three in Base 13 Tridecimal

Scientific Notation

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

2.1930e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00013c1403c26861ba713

The reciprocal of 21930 in Base 13 Tridecimal.

Palindrome?

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

The number 9c9c13 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 thirty is a composite number with 32 total factors (including 1 and itself).   See primes in Base 13 Tridecimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand nine hundred and thirty is a composite number with 32 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 thirty has the following 5 prime factors:

2
213
Two in Base 13 Tridecimal
3
313
Three in Base 13 Tridecimal
5
513
Five in Base 13 Tridecimal
17
1413
Seventeen in Base 13 Tridecimal
43
3413
Forty-Three in Base 13 Tridecimal

Prime Factorization

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

2131 · 3131 · 5131 · 14131 · 34131 = 9c9c13

Base Conversions

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