The Number

121665

One Hundred and Twenty-One Thousand Six Hundred and Sixty-Five

In Base 7 Septenary Is

10144657

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

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

Nearby Numbers

Positive, nonzero integers within three units

121662
10144627
One Hundred and Twenty-One Thousand Six Hundred and Sixty-Two in Base 7 Septenary
121663
10144637
One Hundred and Twenty-One Thousand Six Hundred and Sixty-Three in Base 7 Septenary
121664
10144647
One Hundred and Twenty-One Thousand Six Hundred and Sixty-Four in Base 7 Septenary
121666
10144667
One Hundred and Twenty-One Thousand Six Hundred and Sixty-Six in Base 7 Septenary
121667
10145007
One Hundred and Twenty-One Thousand Six Hundred and Sixty-Seven in Base 7 Septenary
121668
10145017
One Hundred and Twenty-One Thousand Six Hundred and Sixty-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.

1.21665e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000000652451364022461337

The reciprocal of 121665 in Base 7 Septenary.

Palindrome?

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

The number 10144657 is not a palindrome.

Not A Prime Number

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

One hundred and twenty-one thousand six hundred and sixty-five is a composite number with 8 total factors (including 1 and itself).   See primes in Base 7 Septenary

A Composite

Composites have more than just these two factors.

One hundred and twenty-one thousand six hundred and sixty-five is a composite number with 8 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 one hundred and twenty-one thousand six hundred and sixty-five has the following 3 prime factors:

3
37
Three in Base 7 Septenary
5
57
Five in Base 7 Septenary
8111
324357
Eight Thousand One Hundred and Eleven 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 · 571 · 3243571 = 10144657

Base Conversions

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