The Number

21118

Twenty-One Thousand One Hundred and Eightteen

In Base 21 Unovigesimal Is

25id21

The numbers with a 21 subscript use Base 21 Unovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21115
25ia21
Twenty-One Thousand One Hundred and Fifteen in Base 21 Unovigesimal
21116
25ib21
Twenty-One Thousand One Hundred and Sixteen in Base 21 Unovigesimal
21117
25ic21
Twenty-One Thousand One Hundred and Seventeen in Base 21 Unovigesimal
21119
25ie21
Twenty-One Thousand One Hundred and Nineteen in Base 21 Unovigesimal
21120
25if21
Twenty-One Thousand One Hundred and Twenty in Base 21 Unovigesimal
21121
25ig21
Twenty-One Thousand One Hundred and Twenty-One in Base 21 Unovigesimal

Scientific Notation

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

2.1118e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0009485ie98a4ike21

The reciprocal of 21118 in Base 21 Unovigesimal.

Palindrome?

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

The number 25id21 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 eightteen is a composite number with 4 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand one hundred and eightteen 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 eightteen has the following 2 prime factors:

2
221
Two in Base 21 Unovigesimal
10559
12jh21
Ten Thousand Five Hundred and Fifty-Nine in Base 21 Unovigesimal

Prime Factorization

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

2211 · 12jh211 = 25id21

Base Conversions

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