The Number

128072

One Hundred and Twenty-Eight Thousand and Seventy-Two

In Base 7 Septenary Is

10422507

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

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

Nearby Numbers

Positive, nonzero integers within three units

128069
10422447
One Hundred and Twenty-Eight Thousand and Sixty-Nine in Base 7 Septenary
128070
10422457
One Hundred and Twenty-Eight Thousand and Seventy in Base 7 Septenary
128071
10422467
One Hundred and Twenty-Eight Thousand and Seventy-One in Base 7 Septenary
128073
10422517
One Hundred and Twenty-Eight Thousand and Seventy-Three in Base 7 Septenary
128074
10422527
One Hundred and Twenty-Eight Thousand and Seventy-Four in Base 7 Septenary
128075
10422537
One Hundred and Twenty-Eight Thousand and Seventy-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.

1.28072e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00000063004115650116600557

The reciprocal of 128072 in Base 7 Septenary.

Palindrome?

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

The number 10422507 is not a palindrome.

Not A Prime Number

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

One hundred and twenty-eight thousand and seventy-two is a composite number with 16 total factors (including 1 and itself).   See primes in Base 7 Septenary

A Composite

Composites have more than just these two factors.

One hundred and twenty-eight thousand and seventy-two is a composite number with 16 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 one hundred and twenty-eight thousand and seventy-two has the following 3 prime factors:

2
27
Two in Base 7 Septenary
7
107
Seven in Base 7 Septenary
2287
64457
Two Thousand Two Hundred and Eighty-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

273 · 1071 · 644571 = 10422507

Base Conversions

The number one hundred and twenty-eight thousand and seventy-two in 35 different bases