The Number

28720

Twenty-Eight Thousand Seven Hundred and Twenty

In Base 7 Septenary Is

1465067

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

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

Nearby Numbers

Positive, nonzero integers within three units

28717
1465037
Twenty-Eight Thousand Seven Hundred and Seventeen in Base 7 Septenary
28718
1465047
Twenty-Eight Thousand Seven Hundred and Eightteen in Base 7 Septenary
28719
1465057
Twenty-Eight Thousand Seven Hundred and Nineteen in Base 7 Septenary
28721
1465107
Twenty-Eight Thousand Seven Hundred and Twenty-One in Base 7 Septenary
28722
1465117
Twenty-Eight Thousand Seven Hundred and Twenty-Two in Base 7 Septenary
28723
1465127
Twenty-Eight Thousand Seven Hundred and Twenty-Three in Base 7 Septenary

Scientific Notation

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

2.8720e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000040450326533341524027

The reciprocal of 28720 in Base 7 Septenary.

Palindrome?

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

The number 1465067 is not a palindrome.

Not A Prime Number

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

Twenty-eight thousand seven hundred and twenty is a composite number with 20 total factors (including 1 and itself).   See primes in Base 7 Septenary

A Composite

Composites have more than just these two factors.

Twenty-eight thousand seven hundred and twenty is a composite number with 20 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-eight thousand seven hundred and twenty has the following 3 prime factors:

2
27
Two in Base 7 Septenary
5
57
Five in Base 7 Septenary
359
10227
Three Hundred and Fifty-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

274 · 571 · 102271 = 1465067

Base Conversions

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