The Number

21020

Twenty-One Thousand and Twenty

In Base 3 Ternary Is

10012111123

The numbers with a 3 subscript use Base 3 Ternary notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21017
10012111023
Twenty-One Thousand and Seventeen in Base 3 Ternary
21018
10012111103
Twenty-One Thousand and Eightteen in Base 3 Ternary
21019
10012111113
Twenty-One Thousand and Nineteen 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
21023
10012111223
Twenty-One Thousand and Twenty-Three in Base 3 Ternary

Scientific Notation

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

2.1020e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00000000022102112200101001020112111022100123

The reciprocal of 21020 in Base 3 Ternary.

Palindrome?

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

The number 10012111123 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 twenty is a composite number with 12 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 twenty is a composite number with 12 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 and twenty has the following 3 prime factors:

2
23
Two in Base 3 Ternary
5
123
Five in Base 3 Ternary
1051
11022213
One Thousand and Fifty-One in Base 3 Ternary

Prime Factorization

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

232 · 1231 · 110222131 = 10012111123

Base Conversions

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