The Number

642420

Six Hundred and Forty-Two Thousand Four Hundred and Twenty

In Base 7 Septenary Is

53136427

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

For more familiar numbers: See Six Hundred and Forty-Two Thousand Four Hundred and Twenty in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

642417
53136367
Six Hundred and Forty-Two Thousand Four Hundred and Seventeen in Base 7 Septenary
642418
53136407
Six Hundred and Forty-Two Thousand Four Hundred and Eightteen in Base 7 Septenary
642419
53136417
Six Hundred and Forty-Two Thousand Four Hundred and Nineteen in Base 7 Septenary
642421
53136437
Six Hundred and Forty-Two Thousand Four Hundred and Twenty-One in Base 7 Septenary
642422
53136447
Six Hundred and Forty-Two Thousand Four Hundred and Twenty-Two in Base 7 Septenary
642423
53136457
Six Hundred and Forty-Two Thousand Four 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.

6.42420e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000000116546353651533304337

The reciprocal of 642420 in Base 7 Septenary.

Palindrome?

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

The number 53136427 is not a palindrome.

Not A Prime Number

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

Six hundred and forty-two thousand four hundred and twenty is a composite number with 72 total factors (including 1 and itself).   See primes in Base 7 Septenary

A Composite

Composites have more than just these two factors.

Six hundred and forty-two thousand four hundred and twenty is a composite number with 72 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 six hundred and forty-two thousand four hundred and twenty has the following 5 prime factors:

2
27
Two in Base 7 Septenary
3
37
Three in Base 7 Septenary
5
57
Five in Base 7 Septenary
43
617
Forty-Three in Base 7 Septenary
83
1467
Eighty-Three 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 · 372 · 571 · 6171 · 14671 = 53136427

Base Conversions

The number six hundred and forty-two thousand four hundred and twenty in 35 different bases