The Number

121855

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

In Base 7 Septenary Is

10151567

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

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

Nearby Numbers

Positive, nonzero integers within three units

121852
10151537
One Hundred and Twenty-One Thousand Eight Hundred and Fifty-Two in Base 7 Septenary
121853
10151547
One Hundred and Twenty-One Thousand Eight Hundred and Fifty-Three in Base 7 Septenary
121854
10151557
One Hundred and Twenty-One Thousand Eight Hundred and Fifty-Four in Base 7 Septenary
121856
10151607
One Hundred and Twenty-One Thousand Eight Hundred and Fifty-Six in Base 7 Septenary
121857
10151617
One Hundred and Twenty-One Thousand Eight Hundred and Fifty-Seven in Base 7 Septenary
121858
10151627
One Hundred and Twenty-One Thousand Eight Hundred and Fifty-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.

1.21855e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00000065210611426014620057

The reciprocal of 121855 in Base 7 Septenary.

Palindrome?

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

The number 10151567 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-one thousand eight hundred and fifty-five is a composite number with 4 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-one thousand eight hundred and fifty-five is a composite number with 4 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-one thousand eight hundred and fifty-five has the following 2 prime factors:

5
57
Five in Base 7 Septenary
24371
1310247
Twenty-Four Thousand Three Hundred and Seventy-One 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 · 13102471 = 10151567

Base Conversions

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