The Number

21942

Twenty-One Thousand Nine Hundred and Forty-Two

In Base 3 Ternary Is

10100022003

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

For more familiar numbers: See Twenty-One Thousand Nine Hundred and Forty-Two in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

21939
10100021203
Twenty-One Thousand Nine Hundred and Thirty-Nine in Base 3 Ternary
21940
10100021213
Twenty-One Thousand Nine Hundred and Forty in Base 3 Ternary
21941
10100021223
Twenty-One Thousand Nine Hundred and Forty-One in Base 3 Ternary
21943
10100022013
Twenty-One Thousand Nine Hundred and Forty-Three in Base 3 Ternary
21944
10100022023
Twenty-One Thousand Nine Hundred and Forty-Four in Base 3 Ternary
21945
10100022103
Twenty-One Thousand Nine Hundred and Forty-Five in Base 3 Ternary

Scientific Notation

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

2.1942e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000000002200122211201021120211021220210113

The reciprocal of 21942 in Base 3 Ternary.

Palindrome?

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

The number 10100022003 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 nine hundred and forty-two 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 nine hundred and forty-two 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 nine hundred and forty-two has the following 4 prime factors:

2
23
Two in Base 3 Ternary
3
103
Three in Base 3 Ternary
23
2123
Twenty-Three in Base 3 Ternary
53
12223
Fifty-Three 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 · 1032 · 21231 · 122231 = 10100022003

Base Conversions

The number twenty-one thousand nine hundred and forty-two in 35 different bases