The Number

21504

Twenty-One Thousand Five Hundred and Four

In Base 7 Septenary Is

1164607

The numbers with a 7 subscript use Base 7 Septenary notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21501
1164547
Twenty-One Thousand Five Hundred and One in Base 7 Septenary
21502
1164557
Twenty-One Thousand Five Hundred and Two in Base 7 Septenary
21503
1164567
Twenty-One Thousand Five Hundred and Three in Base 7 Septenary
21505
1164617
Twenty-One Thousand Five Hundred and Five in Base 7 Septenary
21506
1164627
Twenty-One Thousand Five Hundred and Six in Base 7 Septenary
21507
1164637
Twenty-One Thousand Five Hundred and Seven in Base 7 Septenary

Scientific Notation

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

2.1504e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000053203640226006066227

The reciprocal of 21504 in Base 7 Septenary.

Palindrome?

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

The number 1164607 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 five hundred and four is a composite number with 44 total factors (including 1 and itself).   See primes in Base 7 Septenary

A Composite

Composites have more than just these two factors.

Twenty-one thousand five hundred and four is a composite number with 44 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 five hundred and four has the following 3 prime factors:

2
27
Two in Base 7 Septenary
3
37
Three in Base 7 Septenary
7
107
Seven in Base 7 Septenary

Prime Factorization

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

2710 · 371 · 1071 = 1164607

Base Conversions

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