Nearby Numbers

Positive, nonzero integers within three units

21016

10012111013

Twenty-One Thousand and Sixteen in Base 3 Ternary

21017

10012111023

Twenty-One Thousand and Seventeen in Base 3 Ternary

21018

10012111103

Twenty-One Thousand and Eightteen in Base 3 Ternary

21020

10012111123

Twenty-One Thousand and Twenty in Base 3 Ternary

21021

10012111203

Twenty-One Thousand and Twenty-One in Base 3 Ternary

21022

10012111213

Twenty-One Thousand and Twenty-Two in Base 3 Ternary

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.

0.000000000221021122220210101021002012120213

The reciprocal of 21019 in Base 3 Ternary.

Palindrome?

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

The number 10012111113 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 3 Ternary

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

10012111113

Twenty-One Thousand and Nineteen in Base 3 Ternary

Prime Factorization

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

100121111131 = 10012111113

Base Conversions

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