The Number

21518

Twenty-One Thousand Five Hundred and Eightteen

In Base 19 Nonadecimal Is

32ba19

The numbers with a 19 subscript use Base 19 Nonadecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21515
32b719
Twenty-One Thousand Five Hundred and Fifteen in Base 19 Nonadecimal
21516
32b819
Twenty-One Thousand Five Hundred and Sixteen in Base 19 Nonadecimal
21517
32b919
Twenty-One Thousand Five Hundred and Seventeen in Base 19 Nonadecimal
21519
32bb19
Twenty-One Thousand Five Hundred and Nineteen in Base 19 Nonadecimal
21520
32bc19
Twenty-One Thousand Five Hundred and Twenty in Base 19 Nonadecimal
21521
32bd19
Twenty-One Thousand Five Hundred and Twenty-One in Base 19 Nonadecimal

Scientific Notation

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

2.1518e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0006116c73c52e7a19

The reciprocal of 21518 in Base 19 Nonadecimal.

Palindrome?

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

The number 32ba19 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 five hundred and eightteen is a composite number with 16 total factors (including 1 and itself).   See primes in Base 19 Nonadecimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand five hundred and eightteen is a composite number with 16 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 five hundred and eightteen has the following 4 prime factors:

2
219
Two in Base 19 Nonadecimal
7
719
Seven in Base 19 Nonadecimal
29
1a19
Twenty-Nine in Base 19 Nonadecimal
53
2f19
Fifty-Three in Base 19 Nonadecimal

Prime Factorization

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

2191 · 7191 · 1a191 · 2f191 = 32ba19

Base Conversions

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