The Number

21557

Twenty-One Thousand Five Hundred and Fifty-Seven

In Base 9 Nonary Is

325129

The numbers with a 9 subscript use Base 9 Nonary notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21554
325089
Twenty-One Thousand Five Hundred and Fifty-Four in Base 9 Nonary
21555
325109
Twenty-One Thousand Five Hundred and Fifty-Five in Base 9 Nonary
21556
325119
Twenty-One Thousand Five Hundred and Fifty-Six in Base 9 Nonary
21558
325139
Twenty-One Thousand Five Hundred and Fifty-Eight in Base 9 Nonary
21559
325149
Twenty-One Thousand Five Hundred and Fifty-Nine in Base 9 Nonary
21560
325159
Twenty-One Thousand Five Hundred and Sixty in Base 9 Nonary

Scientific Notation

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

2.1557e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000265778172137461059

The reciprocal of 21557 in Base 9 Nonary.

Palindrome?

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

The number 325129 is not a palindrome.

A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Twenty-one thousand five hundred and fifty-seven is the 2418th prime number.   See primes in Base 9 Nonary

Not A Composite

Composites have more than just these two factors.

Twenty-One Thousand Five Hundred and Fifty-Seven is not a composite number because it has exactly two factors: One and Twenty-One Thousand Five Hundred and Fifty-Seven

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 fifty-seven has the following 1 prime factor:

21557
325129
Twenty-One Thousand Five Hundred and Fifty-Seven in Base 9 Nonary

Prime Factorization

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

3251291 = 325129

Base Conversions

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