The Number

21945

Twenty-One Thousand Nine Hundred and Forty-Five

In Base 6 Senary Is

2453336

The numbers with a 6 subscript use Base 6 Senary notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21942
2453306
Twenty-One Thousand Nine Hundred and Forty-Two in Base 6 Senary
21943
2453316
Twenty-One Thousand Nine Hundred and Forty-Three in Base 6 Senary
21944
2453326
Twenty-One Thousand Nine Hundred and Forty-Four in Base 6 Senary
21946
2453346
Twenty-One Thousand Nine Hundred and Forty-Six in Base 6 Senary
21947
2453356
Twenty-One Thousand Nine Hundred and Forty-Seven in Base 6 Senary
21948
2453406
Twenty-One Thousand Nine Hundred and Forty-Eight in Base 6 Senary

Scientific Notation

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

2.1945e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000002043120344435252423136

The reciprocal of 21945 in Base 6 Senary.

Palindrome?

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

The number 2453336 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-five is a composite number with 32 total factors (including 1 and itself).   See primes in Base 6 Senary

A Composite

Composites have more than just these two factors.

Twenty-one thousand nine hundred and forty-five is a composite number with 32 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-five has the following 5 prime factors:

3
36
Three in Base 6 Senary
5
56
Five in Base 6 Senary
7
116
Seven in Base 6 Senary
11
156
Eleven in Base 6 Senary
19
316
Nineteen in Base 6 Senary

Prime Factorization

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

361 · 561 · 1161 · 1561 · 3161 = 2453336

Base Conversions

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