The Number

25661

Twenty-Five Thousand Six Hundred and Sixty-One

In Base 7 Septenary Is

1345467

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

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

Nearby Numbers

Positive, nonzero integers within three units

25658
1345437
Twenty-Five Thousand Six Hundred and Fifty-Eight in Base 7 Septenary
25659
1345447
Twenty-Five Thousand Six Hundred and Fifty-Nine in Base 7 Septenary
25660
1345457
Twenty-Five Thousand Six Hundred and Sixty in Base 7 Septenary
25662
1345507
Twenty-Five Thousand Six Hundred and Sixty-Two in Base 7 Septenary
25663
1345517
Twenty-Five Thousand Six Hundred and Sixty-Three in Base 7 Septenary
25664
1345527
Twenty-Five Thousand Six Hundred and Sixty-Four in Base 7 Septenary

Scientific Notation

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

2.5661e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000044043650053312203237

The reciprocal of 25661 in Base 7 Septenary.

Palindrome?

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

The number 1345467 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Twenty-five thousand six hundred and sixty-one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 7 Septenary

A Composite

Composites have more than just these two factors.

Twenty-five thousand six hundred and sixty-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-five thousand six hundred and sixty-one has the following 2 prime factors:

67
1247
Sixty-Seven in Base 7 Septenary
383
10557
Three Hundred and Eighty-Three in Base 7 Septenary

Prime Factorization

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

12471 · 105571 = 1345467

Base Conversions

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