The Number

21542

Twenty-One Thousand Five Hundred and Forty-Two

In Base 5 Quinary Is

11421325

The numbers with a 5 subscript use Base 5 Quinary notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21539
11421245
Twenty-One Thousand Five Hundred and Thirty-Nine in Base 5 Quinary
21540
11421305
Twenty-One Thousand Five Hundred and Forty in Base 5 Quinary
21541
11421315
Twenty-One Thousand Five Hundred and Forty-One in Base 5 Quinary
21543
11421335
Twenty-One Thousand Five Hundred and Forty-Three in Base 5 Quinary
21544
11421345
Twenty-One Thousand Five Hundred and Forty-Four in Base 5 Quinary
21545
11421405
Twenty-One Thousand Five Hundred and Forty-Five in Base 5 Quinary

Scientific Notation

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

2.1542e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000000330313104402212022433115

The reciprocal of 21542 in Base 5 Quinary.

Palindrome?

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

The number 11421325 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 five hundred and forty-two is a composite number with 4 total factors (including 1 and itself).   See primes in Base 5 Quinary

A Composite

Composites have more than just these two factors.

Twenty-one thousand five hundred and forty-two 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 five hundred and forty-two has the following 2 prime factors:

2
25
Two in Base 5 Quinary
10771
3210415
Ten Thousand Seven Hundred and Seventy-One in Base 5 Quinary

Prime Factorization

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

251 · 32104151 = 11421325

Base Conversions

The number twenty-one thousand five hundred and forty-two in 35 different bases