The Number

21994

Twenty-One Thousand Nine Hundred and Ninety-Four

In Base 15 Quindecimal Is

67b415

The numbers with a 15 subscript use Base 15 Quindecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21991
67b115
Twenty-One Thousand Nine Hundred and Ninety-One in Base 15 Quindecimal
21992
67b215
Twenty-One Thousand Nine Hundred and Ninety-Two in Base 15 Quindecimal
21993
67b315
Twenty-One Thousand Nine Hundred and Ninety-Three in Base 15 Quindecimal
21995
67b515
Twenty-One Thousand Nine Hundred and Ninety-Five in Base 15 Quindecimal
21996
67b615
Twenty-One Thousand Nine Hundred and Ninety-Six in Base 15 Quindecimal
21997
67b715
Twenty-One Thousand Nine Hundred and Ninety-Seven in Base 15 Quindecimal

Scientific Notation

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

2.1994e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000247d6c1d7a03b0815

The reciprocal of 21994 in Base 15 Quindecimal.

Palindrome?

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

The number 67b415 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 ninety-four is a composite number with 8 total factors (including 1 and itself).   See primes in Base 15 Quindecimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand nine hundred and ninety-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 nine hundred and ninety-four has the following 3 prime factors:

2
215
Two in Base 15 Quindecimal
7
715
Seven in Base 15 Quindecimal
1571
6eb15
One Thousand Five Hundred and Seventy-One in Base 15 Quindecimal

Prime Factorization

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

2151 · 7151 · 6eb151 = 67b415

Base Conversions

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