The Number

42840

Forty-Two Thousand Eight Hundred and Forty

In Base 7 Septenary Is

2356207

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

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

Nearby Numbers

Positive, nonzero integers within three units

42837
2356147
Forty-Two Thousand Eight Hundred and Thirty-Seven in Base 7 Septenary
42838
2356157
Forty-Two Thousand Eight Hundred and Thirty-Eight in Base 7 Septenary
42839
2356167
Forty-Two Thousand Eight Hundred and Thirty-Nine in Base 7 Septenary
42841
2356217
Forty-Two Thousand Eight Hundred and Forty-One in Base 7 Septenary
42842
2356227
Forty-Two Thousand Eight Hundred and Forty-Two in Base 7 Septenary
42843
2356237
Forty-Two Thousand Eight Hundred and Forty-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.

4.2840e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000025136504143522225037

The reciprocal of 42840 in Base 7 Septenary.

Palindrome?

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

The number 2356207 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 eight hundred and forty is a composite number with 96 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 eight hundred and forty is a composite number with 96 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 eight hundred and forty 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
7
107
Seven in Base 7 Septenary
17
237
Seventeen in Base 7 Septenary

Prime Factorization

The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities

273 · 372 · 571 · 1071 · 2371 = 2356207

Base Conversions

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