The Number

142805

One Hundred and Forty-Two Thousand Eight Hundred and Five

In Base 7 Septenary Is

11332257

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

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

Nearby Numbers

Positive, nonzero integers within three units

142802
11332227
One Hundred and Forty-Two Thousand Eight Hundred and Two in Base 7 Septenary
142803
11332237
One Hundred and Forty-Two Thousand Eight Hundred and Three in Base 7 Septenary
142804
11332247
One Hundred and Forty-Two Thousand Eight Hundred and Four in Base 7 Septenary
142806
11332267
One Hundred and Forty-Two Thousand Eight Hundred and Six in Base 7 Septenary
142807
11332307
One Hundred and Forty-Two Thousand Eight Hundred and Seven in Base 7 Septenary
142808
11332317
One Hundred and Forty-Two Thousand Eight Hundred and 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.

1.42805e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00000055240225000620055237

The reciprocal of 142805 in Base 7 Septenary.

Palindrome?

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

The number 11332257 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 forty-two thousand eight hundred and five is a composite number with 10 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 forty-two thousand eight hundred and five is a composite number with 10 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 forty-two thousand eight hundred and five has the following 2 prime factors:

5
57
Five in Base 7 Septenary
13
167
Thirteen in Base 7 Septenary

Prime Factorization

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

571 · 1674 = 11332257

Base Conversions

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