The Number

128145

One Hundred and Twenty-Eight Thousand One Hundred and Forty-Five

In Base 7 Septenary Is

10424137

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

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

Nearby Numbers

Positive, nonzero integers within three units

128142
10424107
One Hundred and Twenty-Eight Thousand One Hundred and Forty-Two in Base 7 Septenary
128143
10424117
One Hundred and Twenty-Eight Thousand One Hundred and Forty-Three in Base 7 Septenary
128144
10424127
One Hundred and Twenty-Eight Thousand One Hundred and Forty-Four in Base 7 Septenary
128146
10424147
One Hundred and Twenty-Eight Thousand One Hundred and Forty-Six in Base 7 Septenary
128147
10424157
One Hundred and Twenty-Eight Thousand One Hundred and Forty-Seven in Base 7 Septenary
128148
10424167
One Hundred and Twenty-Eight Thousand One Hundred and Forty-Eight in Base 7 Septenary

Scientific Notation

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

1.28145e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000006266224613123330237

The reciprocal of 128145 in Base 7 Septenary.

Palindrome?

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

The number 10424137 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 one hundred and forty-five is a composite number with 8 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 one hundred and forty-five is a composite number with 8 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 one hundred and forty-five has the following 3 prime factors:

3
37
Three in Base 7 Septenary
5
57
Five in Base 7 Septenary
8543
336237
Eight Thousand Five Hundred and Forty-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

371 · 571 · 3362371 = 10424137

Base Conversions

The number one hundred and twenty-eight thousand one hundred and forty-five in 35 different bases