The Number

138643

One Hundred and Thirty-Eight Thousand Six Hundred and Forty-Three

In Base 7 Septenary Is

11151317

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 Forty-Three in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

138640
11151257
One Hundred and Thirty-Eight Thousand Six Hundred and Forty in Base 7 Septenary
138641
11151267
One Hundred and Thirty-Eight Thousand Six Hundred and Forty-One in Base 7 Septenary
138642
11151307
One Hundred and Thirty-Eight Thousand Six Hundred and Forty-Two in Base 7 Septenary
138644
11151327
One Hundred and Thirty-Eight Thousand Six Hundred and Forty-Four in Base 7 Septenary
138645
11151337
One Hundred and Thirty-Eight Thousand Six Hundred and Forty-Five in Base 7 Septenary
138646
11151347
One Hundred and Thirty-Eight Thousand Six Hundred and Forty-Six in Base 7 Septenary

Scientific Notation

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

1.38643e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00000056403000454024653617

The reciprocal of 138643 in Base 7 Septenary.

Palindrome?

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

The number 11151317 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 forty-three 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 forty-three 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 forty-three has the following 2 prime factors:

19
257
Nineteen in Base 7 Septenary
7297
301637
Seven Thousand Two Hundred and Ninety-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

2571 · 3016371 = 11151317

Base Conversions

The number one hundred and thirty-eight thousand six hundred and forty-three in 35 different bases