The Number

138665

One Hundred and Thirty-Eight Thousand Six Hundred and Sixty-Five

In Base 7 Septenary Is

11151627

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

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

Nearby Numbers

Positive, nonzero integers within three units

138662
11151567
One Hundred and Thirty-Eight Thousand Six Hundred and Sixty-Two in Base 7 Septenary
138663
11151607
One Hundred and Thirty-Eight Thousand Six Hundred and Sixty-Three in Base 7 Septenary
138664
11151617
One Hundred and Thirty-Eight Thousand Six Hundred and Sixty-Four in Base 7 Septenary
138666
11151637
One Hundred and Thirty-Eight Thousand Six Hundred and Sixty-Six in Base 7 Septenary
138667
11151647
One Hundred and Thirty-Eight Thousand Six Hundred and Sixty-Seven in Base 7 Septenary
138668
11151657
One Hundred and Thirty-Eight 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.

1.38665e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00000056400511363636336517

The reciprocal of 138665 in Base 7 Septenary.

Palindrome?

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

The number 11151627 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 thirty-eight thousand six hundred and sixty-five 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.

One hundred and thirty-eight thousand six hundred and sixty-five 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 one hundred and thirty-eight thousand six hundred and sixty-five has the following 2 prime factors:

5
57
Five in Base 7 Septenary
27733
1435667
Twenty-Seven Thousand Seven Hundred and Thirty-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

571 · 14356671 = 11151627

Base Conversions

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