The Number

21228

Twenty-One Thousand Two Hundred and Twenty-Eight

In Base 15 Quindecimal Is

645315

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

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

Nearby Numbers

Positive, nonzero integers within three units

21225
645015
Twenty-One Thousand Two Hundred and Twenty-Five in Base 15 Quindecimal
21226
645115
Twenty-One Thousand Two Hundred and Twenty-Six in Base 15 Quindecimal
21227
645215
Twenty-One Thousand Two Hundred and Twenty-Seven in Base 15 Quindecimal
21229
645415
Twenty-One Thousand Two Hundred and Twenty-Nine in Base 15 Quindecimal
21230
645515
Twenty-One Thousand Two Hundred and Thirty in Base 15 Quindecimal
21231
645615
Twenty-One Thousand Two Hundred and Thirty-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.

2.1228e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00025b8b925021008915

The reciprocal of 21228 in Base 15 Quindecimal.

Palindrome?

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

The number 645315 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-eight is a composite number with 24 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-eight is a composite number with 24 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-eight has the following 4 prime factors:

2
215
Two in Base 15 Quindecimal
3
315
Three in Base 15 Quindecimal
29
1e15
Twenty-Nine in Base 15 Quindecimal
61
4115
Sixty-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

2152 · 3151 · 1e151 · 41151 = 645315

Base Conversions

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