The Number

42642

Forty-Two Thousand Six Hundred and Forty-Two

In Base 7 Septenary Is

2352157

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

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

Nearby Numbers

Positive, nonzero integers within three units

42639
2352127
Forty-Two Thousand Six Hundred and Thirty-Nine in Base 7 Septenary
42640
2352137
Forty-Two Thousand Six Hundred and Forty in Base 7 Septenary
42641
2352147
Forty-Two Thousand Six Hundred and Forty-One in Base 7 Septenary
42643
2352167
Forty-Two Thousand Six Hundred and Forty-Three in Base 7 Septenary
42644
2352207
Forty-Two Thousand Six Hundred and Forty-Four in Base 7 Septenary
42645
2352217
Forty-Two Thousand Six Hundred and Forty-Five in Base 7 Septenary

Scientific Notation

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

4.2642e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000025212225524265164127

The reciprocal of 42642 in Base 7 Septenary.

Palindrome?

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

The number 2352157 is not a palindrome.

Not A Prime Number

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

Forty-two thousand six hundred and forty-two is a composite number with 24 total factors (including 1 and itself).   See primes in Base 7 Septenary

A Composite

Composites have more than just these two factors.

Forty-two thousand six hundred and forty-two is a composite number with 24 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 forty-two thousand six hundred and forty-two has the following 4 prime factors:

2
27
Two in Base 7 Septenary
3
37
Three in Base 7 Septenary
23
327
Twenty-Three in Base 7 Septenary
103
2057
One Hundred and 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

271 · 372 · 3271 · 20571 = 2352157

Base Conversions

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