The Number

21557

Twenty-One Thousand Five Hundred and Fifty-Seven

In Base 3 Ternary Is

10021201023

The numbers with a 3 subscript use Base 3 Ternary 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
10021200223
Twenty-One Thousand Five Hundred and Fifty-Four in Base 3 Ternary
21555
10021201003
Twenty-One Thousand Five Hundred and Fifty-Five in Base 3 Ternary
21556
10021201013
Twenty-One Thousand Five Hundred and Fifty-Six in Base 3 Ternary
21558
10021201103
Twenty-One Thousand Five Hundred and Fifty-Eight in Base 3 Ternary
21559
10021201113
Twenty-One Thousand Five Hundred and Fifty-Nine in Base 3 Ternary
21560
10021201123
Twenty-One Thousand Five Hundred and Sixty in Base 3 Ternary

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.

0.0000000002201221212201210201102111200100123

The reciprocal of 21557 in Base 3 Ternary.

Palindrome?

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

The number 10021201023 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 3 Ternary

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
10021201023
Twenty-One Thousand Five Hundred and Fifty-Seven in Base 3 Ternary

Prime Factorization

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

100212010231 = 10021201023

Base Conversions

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