The Number

138915

One Hundred and Thirty-Eight Thousand Nine Hundred and Fifteen

In Base 7 Septenary Is

11160007

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

For more familiar numbers: See One Hundred and Thirty-Eight Thousand Nine Hundred and Fifteen in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

138912
11156647
One Hundred and Thirty-Eight Thousand Nine Hundred and Twelve in Base 7 Septenary
138913
11156657
One Hundred and Thirty-Eight Thousand Nine Hundred and Thirteen in Base 7 Septenary
138914
11156667
One Hundred and Thirty-Eight Thousand Nine Hundred and Fourteen in Base 7 Septenary
138916
11160017
One Hundred and Thirty-Eight Thousand Nine Hundred and Sixteen in Base 7 Septenary
138917
11160027
One Hundred and Thirty-Eight Thousand Nine Hundred and Seventeen in Base 7 Septenary
138918
11160037
One Hundred and Thirty-Eight Thousand Nine Hundred and Eightteen in Base 7 Septenary

Scientific Notation

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

1.38915e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00000056333035153142416137

The reciprocal of 138915 in Base 7 Septenary.

Palindrome?

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

The number 11160007 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 nine hundred and fifteen is a composite number with 40 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 nine hundred and fifteen is a composite number with 40 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 nine hundred and fifteen has the following 3 prime factors:

3
37
Three in Base 7 Septenary
5
57
Five 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

374 · 571 · 1073 = 11160007

Base Conversions

The number one hundred and thirty-eight thousand nine hundred and fifteen in 35 different bases