The Number

2640

Two Thousand Six Hundred and Forty

In Base 7 Septenary Is

104617

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

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

Nearby Numbers

Positive, nonzero integers within three units

2637
104557
Two Thousand Six Hundred and Thirty-Seven in Base 7 Septenary
2638
104567
Two Thousand Six Hundred and Thirty-Eight in Base 7 Septenary
2639
104607
Two Thousand Six Hundred and Thirty-Nine in Base 7 Septenary
2641
104627
Two Thousand Six Hundred and Forty-One in Base 7 Septenary
2642
104637
Two Thousand Six Hundred and Forty-Two in Base 7 Septenary
2643
104647
Two Thousand Six 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.

2.640e3

Reciprocal

A number multiplied with its reciprocal is one.

0.000062364312550523560017

The reciprocal of 2640 in Base 7 Septenary.

Palindrome?

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

The number 104617 is not a palindrome.

Not A Prime Number

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

Two thousand six hundred and forty is a composite number with 40 total factors (including 1 and itself).   See primes in Base 7 Septenary

A Composite

Composites have more than just these two factors.

Two thousand six hundred and forty is a composite number with 40 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 two thousand six hundred and forty has the following 4 prime factors:

2
27
Two in Base 7 Septenary
3
37
Three in Base 7 Septenary
5
57
Five in Base 7 Septenary
11
147
Eleven 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 · 371 · 571 · 1471 = 104617

Base Conversions

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