The Number

21621

Twenty-One Thousand Six Hundred and Twenty-One

In Base 6 Senary Is

2440336

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

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

Nearby Numbers

Positive, nonzero integers within three units

21618
2440306
Twenty-One Thousand Six Hundred and Eightteen in Base 6 Senary
21619
2440316
Twenty-One Thousand Six Hundred and Nineteen in Base 6 Senary
21620
2440326
Twenty-One Thousand Six Hundred and Twenty in Base 6 Senary
21622
2440346
Twenty-One Thousand Six Hundred and Twenty-Two in Base 6 Senary
21623
2440356
Twenty-One Thousand Six Hundred and Twenty-Three in Base 6 Senary
21624
2440406
Twenty-One Thousand Six Hundred and Twenty-Four in Base 6 Senary

Scientific Notation

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

2.1621e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000002054035024430445101046

The reciprocal of 21621 in Base 6 Senary.

Palindrome?

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

The number 2440336 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 twenty-one is a composite number with 4 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 six hundred and twenty-one is a composite number with 4 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 twenty-one has the following 2 prime factors:

3
36
Three in Base 6 Senary
7207
532116
Seven Thousand Two Hundred and Seven 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 · 5321161 = 2440336

Base Conversions

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