The Number

21690

Twenty-One Thousand Six Hundred and Ninety

In Base 3 Ternary Is

10022021003

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

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

Nearby Numbers

Positive, nonzero integers within three units

21687
10022020203
Twenty-One Thousand Six Hundred and Eighty-Seven in Base 3 Ternary
21688
10022020213
Twenty-One Thousand Six Hundred and Eighty-Eight in Base 3 Ternary
21689
10022020223
Twenty-One Thousand Six Hundred and Eighty-Nine in Base 3 Ternary
21691
10022021013
Twenty-One Thousand Six Hundred and Ninety-One in Base 3 Ternary
21692
10022021023
Twenty-One Thousand Six Hundred and Ninety-Two in Base 3 Ternary
21693
10022021103
Twenty-One Thousand Six Hundred and Ninety-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.

2.1690e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000000002201111122010111200100011201221123

The reciprocal of 21690 in Base 3 Ternary.

Palindrome?

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

The number 10022021003 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 six hundred and ninety 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 six hundred and ninety 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 six hundred and ninety has the following 4 prime factors:

2
23
Two in Base 3 Ternary
3
103
Three in Base 3 Ternary
5
123
Five in Base 3 Ternary
241
222213
Two Hundred and Forty-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

231 · 1032 · 1231 · 2222131 = 10022021003

Base Conversions

The number twenty-one thousand six hundred and ninety in 35 different bases