Nearby Numbers

Positive, nonzero integers within three units

21016

101b412

Twenty-One Thousand and Sixteen in Base 12 Duodecimal

21017

101b512

Twenty-One Thousand and Seventeen in Base 12 Duodecimal

21018

101b612

Twenty-One Thousand and Eightteen in Base 12 Duodecimal

21020

101b812

Twenty-One Thousand and Twenty in Base 12 Duodecimal

21021

101b912

Twenty-One Thousand and Twenty-One in Base 12 Duodecimal

21022

101ba12

Twenty-One Thousand and Twenty-Two in Base 12 Duodecimal

Scientific Notation

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

2.1019e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000ba089882820933a12

The reciprocal of 21019 in Base 12 Duodecimal.

Palindrome?

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

The number 101b712 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 and nineteen is the 2365th prime number.   See primes in Base 12 Duodecimal

Not A Composite

Composites have more than just these two factors.

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

Prime Factors

21019

101b712

Twenty-One Thousand and Nineteen in Base 12 Duodecimal

Prime Factorization

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

101b7121 = 101b712

Base Conversions

The number twenty-one thousand and nineteen in 35 different bases