The Number

21525

Twenty-One Thousand Five Hundred and Twenty-Five

In Base 7 Septenary Is

1165207

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

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

Nearby Numbers

Positive, nonzero integers within three units

21522
1165147
Twenty-One Thousand Five Hundred and Twenty-Two in Base 7 Septenary
21523
1165157
Twenty-One Thousand Five Hundred and Twenty-Three in Base 7 Septenary
21524
1165167
Twenty-One Thousand Five Hundred and Twenty-Four in Base 7 Septenary
21526
1165217
Twenty-One Thousand Five Hundred and Twenty-Six in Base 7 Septenary
21527
1165227
Twenty-One Thousand Five Hundred and Twenty-Seven in Base 7 Septenary
21528
1165237
Twenty-One Thousand Five Hundred and Twenty-Eight in Base 7 Septenary

Scientific Notation

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

2.1525e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000053155060416154312017

The reciprocal of 21525 in Base 7 Septenary.

Palindrome?

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

The number 1165207 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 twenty-five is a composite number with 24 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 twenty-five 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 five hundred and twenty-five has the following 4 prime factors:

3
37
Three in Base 7 Septenary
5
57
Five in Base 7 Septenary
7
107
Seven in Base 7 Septenary
41
567
Forty-One in Base 7 Septenary

Prime Factorization

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

371 · 572 · 1071 · 5671 = 1165207

Base Conversions

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