The Number

21222

Twenty-One Thousand Two Hundred and Twenty-Two

In Base 15 Quindecimal Is

644c15

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

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

Nearby Numbers

Positive, nonzero integers within three units

21219
644915
Twenty-One Thousand Two Hundred and Nineteen in Base 15 Quindecimal
21220
644a15
Twenty-One Thousand Two Hundred and Twenty in Base 15 Quindecimal
21221
644b15
Twenty-One Thousand Two Hundred and Twenty-One in Base 15 Quindecimal
21223
644d15
Twenty-One Thousand Two Hundred and Twenty-Three in Base 15 Quindecimal
21224
644e15
Twenty-One Thousand Two Hundred and Twenty-Four in Base 15 Quindecimal
21225
645015
Twenty-One Thousand Two Hundred and Twenty-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.

2.1222e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00025bb0b26dda3ac915

The reciprocal of 21222 in Base 15 Quindecimal.

Palindrome?

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

The number 644c15 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 two hundred and twenty-two is a composite number with 20 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 two hundred and twenty-two is a composite number with 20 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 two hundred and twenty-two has the following 3 prime factors:

2
215
Two in Base 15 Quindecimal
3
315
Three in Base 15 Quindecimal
131
8b15
One Hundred and Thirty-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 · 3154 · 8b151 = 644c15

Base Conversions

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