The Number

21139

Twenty-One Thousand One Hundred and Thirty-Nine

In Base 19 Nonadecimal Is

31ab19

The numbers with a 19 subscript use Base 19 Nonadecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21136
31a819
Twenty-One Thousand One Hundred and Thirty-Six in Base 19 Nonadecimal
21137
31a919
Twenty-One Thousand One Hundred and Thirty-Seven in Base 19 Nonadecimal
21138
31aa19
Twenty-One Thousand One Hundred and Thirty-Eight in Base 19 Nonadecimal
21140
31ac19
Twenty-One Thousand One Hundred and Forty in Base 19 Nonadecimal
21141
31ad19
Twenty-One Thousand One Hundred and Forty-One in Base 19 Nonadecimal
21142
31ae19
Twenty-One Thousand One Hundred and Forty-Two in Base 19 Nonadecimal

Scientific Notation

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

2.1139e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000632a83f91171h19

The reciprocal of 21139 in Base 19 Nonadecimal.

Palindrome?

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

The number 31ab19 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 one hundred and thirty-nine is the 2375th prime number.   See primes in Base 19 Nonadecimal

Not A Composite

Composites have more than just these two factors.

Twenty-One Thousand One Hundred and Thirty-Nine is not a composite number because it has exactly two factors: One and Twenty-One Thousand One Hundred and Thirty-Nine

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 one hundred and thirty-nine has the following 1 prime factor:

21139
31ab19
Twenty-One Thousand One Hundred and Thirty-Nine in Base 19 Nonadecimal

Prime Factorization

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

31ab191 = 31ab19

Base Conversions

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