The Number

21145

Twenty-One Thousand One Hundred and Forty-Five

In Base 15 Quindecimal Is

63ea15

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

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

Nearby Numbers

Positive, nonzero integers within three units

21142
63e715
Twenty-One Thousand One Hundred and Forty-Two in Base 15 Quindecimal
21143
63e815
Twenty-One Thousand One Hundred and Forty-Three in Base 15 Quindecimal
21144
63e915
Twenty-One Thousand One Hundred and Forty-Four in Base 15 Quindecimal
21146
63eb15
Twenty-One Thousand One Hundred and Forty-Six in Base 15 Quindecimal
21147
63ec15
Twenty-One Thousand One Hundred and Forty-Seven in Base 15 Quindecimal
21148
63ed15
Twenty-One Thousand One Hundred and Forty-Eight in Base 15 Quindecimal

Scientific Notation

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

2.1145e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00025da57aeb8dcdc15

The reciprocal of 21145 in Base 15 Quindecimal.

Palindrome?

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

The number 63ea15 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 one hundred and forty-five 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 one hundred and forty-five 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 one hundred and forty-five has the following 2 prime factors:

5
515
Five in Base 15 Quindecimal
4229
13be15
Four Thousand 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

5151 · 13be151 = 63ea15

Base Conversions

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