The Number

21154

Twenty-One Thousand One Hundred and Fifty-Four

In Base 21 Unovigesimal Is

25k721

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

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

Nearby Numbers

Positive, nonzero integers within three units

21151
25k421
Twenty-One Thousand One Hundred and Fifty-One in Base 21 Unovigesimal
21152
25k521
Twenty-One Thousand One Hundred and Fifty-Two in Base 21 Unovigesimal
21153
25k621
Twenty-One Thousand One Hundred and Fifty-Three in Base 21 Unovigesimal
21155
25k821
Twenty-One Thousand One Hundred and Fifty-Five in Base 21 Unovigesimal
21156
25k921
Twenty-One Thousand One Hundred and Fifty-Six in Base 21 Unovigesimal
21157
25ka21
Twenty-One Thousand One Hundred and Fifty-Seven in Base 21 Unovigesimal

Scientific Notation

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

2.1154e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0009417fejigfb921

The reciprocal of 21154 in Base 21 Unovigesimal.

Palindrome?

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

The number 25k721 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 fifty-four is a composite number with 8 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 fifty-four is a composite number with 8 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 fifty-four has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
7
721
Seven in Base 21 Unovigesimal
1511
38k21
One Thousand Five Hundred and Eleven 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 · 7211 · 38k211 = 25k721

Base Conversions

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