The Number

138689

One Hundred and Thirty-Eight Thousand Six Hundred and Eighty-Nine

In Base 7 Septenary Is

11152257

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 Eighty-Nine in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

138686
11152227
One Hundred and Thirty-Eight Thousand Six Hundred and Eighty-Six in Base 7 Septenary
138687
11152237
One Hundred and Thirty-Eight Thousand Six Hundred and Eighty-Seven in Base 7 Septenary
138688
11152247
One Hundred and Thirty-Eight Thousand Six Hundred and Eighty-Eight in Base 7 Septenary
138690
11152267
One Hundred and Thirty-Eight Thousand Six Hundred and Ninety in Base 7 Septenary
138691
11152307
One Hundred and Thirty-Eight Thousand Six Hundred and Ninety-One in Base 7 Septenary
138692
11152317
One Hundred and Thirty-Eight Thousand Six Hundred and Ninety-Two in Base 7 Septenary

Scientific Notation

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

1.38689e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000005636516211013615517

The reciprocal of 138689 in Base 7 Septenary.

Palindrome?

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

The number 11152257 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 eighty-nine 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 eighty-nine 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 eighty-nine has the following 2 prime factors:

331
6527
Three Hundred and Thirty-One in Base 7 Septenary
419
11367
Four Hundred and Nineteen in Base 7 Septenary

Prime Factorization

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

65271 · 113671 = 11152257

Base Conversions

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