The Number

21983

Twenty-One Thousand Nine Hundred and Eighty-Three

In Base 15 Quindecimal Is

67a815

The numbers with a 15 subscript use Base 15 Quindecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21980
67a515
Twenty-One Thousand Nine Hundred and Eighty in Base 15 Quindecimal
21981
67a615
Twenty-One Thousand Nine Hundred and Eighty-One in Base 15 Quindecimal
21982
67a715
Twenty-One Thousand Nine Hundred and Eighty-Two in Base 15 Quindecimal
21984
67a915
Twenty-One Thousand Nine Hundred and Eighty-Four in Base 15 Quindecimal
21985
67aa15
Twenty-One Thousand Nine Hundred and Eighty-Five in Base 15 Quindecimal
21986
67ab15
Twenty-One Thousand Nine Hundred and Eighty-Six in Base 15 Quindecimal

Scientific Notation

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

2.1983e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000248251b48761a715

The reciprocal of 21983 in Base 15 Quindecimal.

Palindrome?

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

The number 67a815 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 eighty-three is a composite number with 8 total factors (including 1 and itself).   See primes in Base 15 Quindecimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand nine hundred and eighty-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 eighty-three has the following 3 prime factors:

13
d15
Thirteen in Base 15 Quindecimal
19
1415
Nineteen in Base 15 Quindecimal
89
5e15
Eighty-Nine in Base 15 Quindecimal

Prime Factorization

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

d151 · 14151 · 5e151 = 67a815

Base Conversions

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