The Number

20391

Twenty Thousand Three Hundred and Ninety-One

In Base 7 Septenary Is

1133107

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

For more familiar numbers: See Twenty Thousand Three Hundred and Ninety-One in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

20388
1133047
Twenty Thousand Three Hundred and Eighty-Eight in Base 7 Septenary
20389
1133057
Twenty Thousand Three Hundred and Eighty-Nine in Base 7 Septenary
20390
1133067
Twenty Thousand Three Hundred and Ninety in Base 7 Septenary
20392
1133117
Twenty Thousand Three Hundred and Ninety-Two in Base 7 Septenary
20393
1133127
Twenty Thousand Three Hundred and Ninety-Three in Base 7 Septenary
20394
1133137
Twenty Thousand Three Hundred and Ninety-Four in Base 7 Septenary

Scientific Notation

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

2.0391e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000055246636366314241217

The reciprocal of 20391 in Base 7 Septenary.

Palindrome?

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

The number 1133107 is not a palindrome.

Not A Prime Number

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

Twenty thousand three hundred and ninety-one 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.

Twenty thousand three hundred and ninety-one 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 twenty thousand three hundred and ninety-one has the following 3 prime factors:

3
37
Three in Base 7 Septenary
7
107
Seven in Base 7 Septenary
971
25557
Nine Hundred and Seventy-One 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 · 1071 · 255571 = 1133107

Base Conversions

The number twenty thousand three hundred and ninety-one in 35 different bases