The Number

138909

One Hundred and Thirty-Eight Thousand Nine Hundred and Nine

In Base 7 Septenary Is

11156617

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 Nine in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

138906
11156557
One Hundred and Thirty-Eight Thousand Nine Hundred and Six in Base 7 Septenary
138907
11156567
One Hundred and Thirty-Eight Thousand Nine Hundred and Seven in Base 7 Septenary
138908
11156607
One Hundred and Thirty-Eight Thousand Nine Hundred and Eight in Base 7 Septenary
138910
11156627
One Hundred and Thirty-Eight Thousand Nine Hundred and Ten in Base 7 Septenary
138911
11156637
One Hundred and Thirty-Eight Thousand Nine Hundred and Eleven in Base 7 Septenary
138912
11156647
One Hundred and Thirty-Eight Thousand Nine Hundred and Twelve in Base 7 Septenary

Scientific Notation

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

1.38909e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00000056333456065360365147

The reciprocal of 138909 in Base 7 Septenary.

Palindrome?

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

The number 11156617 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 nine 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 thirty-eight thousand nine hundred and nine 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 thirty-eight thousand nine hundred and nine has the following 3 prime factors:

3
37
Three in Base 7 Septenary
19
257
Nineteen in Base 7 Septenary
2437
100517
Two Thousand Four Hundred and Thirty-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

371 · 2571 · 1005171 = 11156617

Base Conversions

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