The Number

21988

Twenty-One Thousand Nine Hundred and Eighty-Eight

In Base 16 Hexadecimal Is

55e416

The numbers with a 16 subscript use Base 16 Hexadecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21985
55e116
Twenty-One Thousand Nine Hundred and Eighty-Five in Base 16 Hexadecimal
21986
55e216
Twenty-One Thousand Nine Hundred and Eighty-Six in Base 16 Hexadecimal
21987
55e316
Twenty-One Thousand Nine Hundred and Eighty-Seven in Base 16 Hexadecimal
21989
55e516
Twenty-One Thousand Nine Hundred and Eighty-Nine in Base 16 Hexadecimal
21990
55e616
Twenty-One Thousand Nine Hundred and Ninety in Base 16 Hexadecimal
21991
55e716
Twenty-One Thousand Nine Hundred and Ninety-One in Base 16 Hexadecimal

Scientific Notation

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

2.1988e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0002fb0454c24b2a616

The reciprocal of 21988 in Base 16 Hexadecimal.

Palindrome?

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

The number 55e416 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 nine hundred and eighty-eight is a composite number with 12 total factors (including 1 and itself).   See primes in Base 16 Hexadecimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand nine hundred and eighty-eight is a composite number with 12 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 nine hundred and eighty-eight has the following 3 prime factors:

2
216
Two in Base 16 Hexadecimal
23
1716
Twenty-Three in Base 16 Hexadecimal
239
ef16
Two Hundred and Thirty-Nine in Base 16 Hexadecimal

Prime Factorization

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

2162 · 17161 · ef161 = 55e416

Base Conversions

The number twenty-one thousand nine hundred and eighty-eight in 35 different bases