Nearby Numbers

Positive, nonzero integers within three units

21015

10012111003

Twenty-One Thousand and Fifteen in Base 3 Ternary

21016

10012111013

Twenty-One Thousand and Sixteen in Base 3 Ternary

21017

10012111023

Twenty-One Thousand and Seventeen in Base 3 Ternary

21019

10012111113

Twenty-One Thousand and Nineteen 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

Scientific Notation

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

2.1018e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00000000022102120021011020010222001220220123

The reciprocal of 21018 in Base 3 Ternary.

Palindrome?

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

The number 10012111103 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 and eightteen is a composite number with 16 total factors (including 1 and itself).   See primes in Base 3 Ternary

A Composite

Composites have more than just these two factors.

Twenty-one thousand and eightteen is a composite number with 16 total factors (including 1 and itself).

Prime Factors

2

23

Two in Base 3 Ternary

3

103

Three in Base 3 Ternary

31

10113

Thirty-One in Base 3 Ternary

113

110123

One Hundred and Thirteen in Base 3 Ternary

Prime Factorization

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

231 · 1031 · 101131 · 1101231 = 10012111103

Base Conversions

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