The Number

12638

Twelve Thousand Six Hundred and Thirty-Eight

In Base 7 Septenary Is

515637

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

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

Nearby Numbers

Positive, nonzero integers within three units

12635
515607
Twelve Thousand Six Hundred and Thirty-Five in Base 7 Septenary
12636
515617
Twelve Thousand Six Hundred and Thirty-Six in Base 7 Septenary
12637
515627
Twelve Thousand Six Hundred and Thirty-Seven in Base 7 Septenary
12639
515647
Twelve Thousand Six Hundred and Thirty-Nine in Base 7 Septenary
12640
515657
Twelve Thousand Six Hundred and Forty in Base 7 Septenary
12641
515667
Twelve Thousand Six Hundred and Forty-One in Base 7 Septenary

Scientific Notation

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

1.2638e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000122110155601404630447

The reciprocal of 12638 in Base 7 Septenary.

Palindrome?

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

The number 515637 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Twelve thousand six hundred and thirty-eight 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.

Twelve thousand six hundred and thirty-eight 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 twelve thousand six hundred and thirty-eight has the following 3 prime factors:

2
27
Two in Base 7 Septenary
71
1317
Seventy-One in Base 7 Septenary
89
1557
Eighty-Nine in Base 7 Septenary

Prime Factorization

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

271 · 13171 · 15571 = 515637

Base Conversions

The number twelve thousand six hundred and thirty-eight in 35 different bases