The Number

21021

Twenty-One Thousand and Twenty-One

In Base 3 Ternary Is

10012111203

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

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

Nearby Numbers

Positive, nonzero integers within three units

21018
10012111103
Twenty-One Thousand and Eightteen 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
21022
10012111213
Twenty-One Thousand and Twenty-Two in Base 3 Ternary
21023
10012111223
Twenty-One Thousand and Twenty-Three in Base 3 Ternary
21024
10012112003
Twenty-One Thousand and Twenty-Four in Base 3 Ternary

Scientific Notation

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

2.1021e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000000002210211210111022212111102120112113

The reciprocal of 21021 in Base 3 Ternary.

Palindrome?

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

The number 10012111203 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-one is a composite number with 24 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-one is a composite number with 24 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-one has the following 4 prime factors:

3
103
Three in Base 3 Ternary
7
213
Seven in Base 3 Ternary
11
1023
Eleven in Base 3 Ternary
13
1113
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

1031 · 2132 · 10231 · 11131 = 10012111203

Base Conversions

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