The Number

21965

Twenty-One Thousand Nine Hundred and Sixty-Five

In Base 3 Ternary Is

10100101123

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

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

Nearby Numbers

Positive, nonzero integers within three units

21962
10100101023
Twenty-One Thousand Nine Hundred and Sixty-Two in Base 3 Ternary
21963
10100101103
Twenty-One Thousand Nine Hundred and Sixty-Three in Base 3 Ternary
21964
10100101113
Twenty-One Thousand Nine Hundred and Sixty-Four in Base 3 Ternary
21966
10100101203
Twenty-One Thousand Nine Hundred and Sixty-Six in Base 3 Ternary
21967
10100101213
Twenty-One Thousand Nine Hundred and Sixty-Seven in Base 3 Ternary
21968
10100101223
Twenty-One Thousand Nine Hundred and Sixty-Eight in Base 3 Ternary

Scientific Notation

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

2.1965e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000000002200120210020201010001120111220123

The reciprocal of 21965 in Base 3 Ternary.

Palindrome?

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

The number 10100101123 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 sixty-five is a composite number with 8 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 sixty-five is a composite number with 8 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 sixty-five has the following 3 prime factors:

5
123
Five in Base 3 Ternary
23
2123
Twenty-Three in Base 3 Ternary
191
210023
One Hundred and Ninety-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

1231 · 21231 · 2100231 = 10100101123

Base Conversions

The number twenty-one thousand nine hundred and sixty-five in 35 different bases