The Number

20828

Twenty Thousand Eight Hundred and Twenty-Eight

In Base 7 Septenary Is

1145037

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

For more familiar numbers: See Twenty Thousand Eight Hundred and Twenty-Eight in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

20825
1145007
Twenty Thousand Eight Hundred and Twenty-Five in Base 7 Septenary
20826
1145017
Twenty Thousand Eight Hundred and Twenty-Six in Base 7 Septenary
20827
1145027
Twenty Thousand Eight Hundred and Twenty-Seven in Base 7 Septenary
20829
1145047
Twenty Thousand Eight Hundred and Twenty-Nine in Base 7 Septenary
20830
1145057
Twenty Thousand Eight Hundred and Thirty in Base 7 Septenary
20831
1145067
Twenty Thousand Eight Hundred and Thirty-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.

2.0828e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000054353166243105645227

The reciprocal of 20828 in Base 7 Septenary.

Palindrome?

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

The number 1145037 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 eight hundred and twenty-eight is a composite number with 12 total factors (including 1 and itself).   See primes in Base 7 Septenary

A Composite

Composites have more than just these two factors.

Twenty thousand eight hundred and twenty-eight is a composite number with 12 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 eight hundred and twenty-eight has the following 3 prime factors:

2
27
Two in Base 7 Septenary
41
567
Forty-One in Base 7 Septenary
127
2417
One Hundred and Twenty-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

272 · 5671 · 24171 = 1145037

Base Conversions

The number twenty thousand eight hundred and twenty-eight in 35 different bases