The Number

123987

One Hundred and Twenty-Three Thousand Nine Hundred and Eighty-Seven

In Base 7 Septenary Is

10243237

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

For more familiar numbers: See One Hundred and Twenty-Three Thousand Nine Hundred and Eighty-Seven in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

123984
10243207
One Hundred and Twenty-Three Thousand Nine Hundred and Eighty-Four in Base 7 Septenary
123985
10243217
One Hundred and Twenty-Three Thousand Nine Hundred and Eighty-Five in Base 7 Septenary
123986
10243227
One Hundred and Twenty-Three Thousand Nine Hundred and Eighty-Six in Base 7 Septenary
123988
10243247
One Hundred and Twenty-Three Thousand Nine Hundred and Eighty-Eight in Base 7 Septenary
123989
10243257
One Hundred and Twenty-Three Thousand Nine Hundred and Eighty-Nine in Base 7 Septenary
123990
10243267
One Hundred and Twenty-Three Thousand Nine Hundred and Ninety in Base 7 Septenary

Scientific Notation

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

1.23987e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000006433156625046325527

The reciprocal of 123987 in Base 7 Septenary.

Palindrome?

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

The number 10243237 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-three thousand nine hundred and eighty-seven 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-three thousand nine hundred and eighty-seven 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-three thousand nine hundred and eighty-seven has the following 3 prime factors:

3
37
Three in Base 7 Septenary
37
527
Thirty-Seven in Base 7 Septenary
1117
31547
One Thousand One Hundred and Seventeen 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 · 5271 · 315471 = 10243237

Base Conversions

The number one hundred and twenty-three thousand nine hundred and eighty-seven in 35 different bases