The Number

72009

Seventy-Two Thousand and Nine

In Base 7 Septenary Is

4166407

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

For more familiar numbers: See Seventy-Two Thousand and Nine in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

72006
4166347
Seventy-Two Thousand and Six in Base 7 Septenary
72007
4166357
Seventy-Two Thousand and Seven in Base 7 Septenary
72008
4166367
Seventy-Two Thousand and Eight in Base 7 Septenary
72010
4166417
Seventy-Two Thousand and Ten in Base 7 Septenary
72011
4166427
Seventy-Two Thousand and Eleven in Base 7 Septenary
72012
4166437
Seventy-Two Thousand and Twelve in Base 7 Septenary

Scientific Notation

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

7.2009e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00000143025303401663634557

The reciprocal of 72009 in Base 7 Septenary.

Palindrome?

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

The number 4166407 is not a palindrome.

Not A Prime Number

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

Seventy-two thousand and nine is a composite number with 20 total factors (including 1 and itself).   See primes in Base 7 Septenary

A Composite

Composites have more than just these two factors.

Seventy-two thousand and nine is a composite number with 20 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 seventy-two thousand and nine has the following 3 prime factors:

3
37
Three in Base 7 Septenary
7
107
Seven in Base 7 Septenary
127
2417
One Hundred and Twenty-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

374 · 1071 · 24171 = 4166407

Base Conversions

The number seventy-two thousand and nine in 35 different bases