The Number

21318

Twenty-One Thousand Three Hundred and Eightteen

In Base 20 Vigesimal Is

2d5i20

The numbers with a 20 subscript use Base 20 Vigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21315
2d5f20
Twenty-One Thousand Three Hundred and Fifteen in Base 20 Vigesimal
21316
2d5g20
Twenty-One Thousand Three Hundred and Sixteen in Base 20 Vigesimal
21317
2d5h20
Twenty-One Thousand Three Hundred and Seventeen in Base 20 Vigesimal
21319
2d5j20
Twenty-One Thousand Three Hundred and Nineteen in Base 20 Vigesimal
21320
2d6020
Twenty-One Thousand Three Hundred and Twenty in Base 20 Vigesimal
21321
2d6120
Twenty-One Thousand Three Hundred and Twenty-One in Base 20 Vigesimal

Scientific Notation

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

2.1318e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0007a233282iggi20

The reciprocal of 21318 in Base 20 Vigesimal.

Palindrome?

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

The number 2d5i20 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 three hundred and eightteen is a composite number with 32 total factors (including 1 and itself).   See primes in Base 20 Vigesimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand three hundred and eightteen is a composite number with 32 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 three hundred and eightteen has the following 5 prime factors:

2
220
Two in Base 20 Vigesimal
3
320
Three in Base 20 Vigesimal
11
b20
Eleven in Base 20 Vigesimal
17
h20
Seventeen in Base 20 Vigesimal
19
j20
Nineteen in Base 20 Vigesimal

Prime Factorization

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

2201 · 3201 · b201 · h201 · j201 = 2d5i20

Base Conversions

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