The Number

21068

Twenty-One Thousand and Sixty-Eight

In Base 15 Quindecimal Is

639815

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

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

Nearby Numbers

Positive, nonzero integers within three units

21065
639515
Twenty-One Thousand and Sixty-Five in Base 15 Quindecimal
21066
639615
Twenty-One Thousand and Sixty-Six in Base 15 Quindecimal
21067
639715
Twenty-One Thousand and Sixty-Seven in Base 15 Quindecimal
21069
639915
Twenty-One Thousand and Sixty-Nine in Base 15 Quindecimal
21070
639a15
Twenty-One Thousand and Seventy in Base 15 Quindecimal
21071
639b15
Twenty-One Thousand and Seventy-One in Base 15 Quindecimal

Scientific Notation

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

2.1068e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0002609d77bc5a4c115

The reciprocal of 21068 in Base 15 Quindecimal.

Palindrome?

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

The number 639815 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 and sixty-eight is a composite number with 12 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 and sixty-eight is a composite number with 12 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 and sixty-eight has the following 3 prime factors:

2
215
Two in Base 15 Quindecimal
23
1815
Twenty-Three in Base 15 Quindecimal
229
10415
Two Hundred and Twenty-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

2152 · 18151 · 104151 = 639815

Base Conversions

The number twenty-one thousand and sixty-eight in 35 different bases