The Number

428

Four Hundred and Twenty-Eight

In Base 7 Septenary Is

11517

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

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

Nearby Numbers

Positive, nonzero integers within three units

425
11457
Four Hundred and Twenty-Five in Base 7 Septenary
426
11467
Four Hundred and Twenty-Six in Base 7 Septenary
427
11507
Four Hundred and Twenty-Seven in Base 7 Septenary
429
11527
Four Hundred and Twenty-Nine in Base 7 Septenary
430
11537
Four Hundred and Thirty in Base 7 Septenary
431
11547
Four 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.

4.28e2

Reciprocal

A number multiplied with its reciprocal is one.

0.00054161106203530603217

The reciprocal of 428 in Base 7 Septenary.

Palindrome?

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

The number 11517 is not a palindrome.

Not A Prime Number

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

Four hundred and twenty-eight is a composite number with 6 total factors (including 1 and itself).   See primes in Base 7 Septenary

A Composite

Composites have more than just these two factors.

Four hundred and twenty-eight is a composite number with 6 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 four hundred and twenty-eight has the following 2 prime factors:

2
27
Two in Base 7 Septenary
107
2127
One Hundred and 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 · 21271 = 11517

Base Conversions

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