The Number

21002

Twenty-One Thousand and Two

In Base 15 Quindecimal Is

635215

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

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

Nearby Numbers

Positive, nonzero integers within three units

20999
634e15
Twenty Thousand Nine Hundred and Ninety-Nine in Base 15 Quindecimal
21000
635015
Twenty-One Thousand in Base 15 Quindecimal
21001
635115
Twenty-One Thousand and One in Base 15 Quindecimal
21003
635315
Twenty-One Thousand and Three in Base 15 Quindecimal
21004
635415
Twenty-One Thousand and Four in Base 15 Quindecimal
21005
635515
Twenty-One Thousand and Five in Base 15 Quindecimal

Scientific Notation

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

2.1002e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00026255bc6ea2ca615

The reciprocal of 21002 in Base 15 Quindecimal.

Palindrome?

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

The number 635215 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 two is a composite number with 4 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 two is a composite number with 4 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 two has the following 2 prime factors:

2
215
Two in Base 15 Quindecimal
10501
31a115
Ten Thousand Five Hundred and One in Base 15 Quindecimal

Prime Factorization

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

2151 · 31a1151 = 635215

Base Conversions

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