The Number

121538

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

In Base 7 Septenary Is

10142247

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

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

Nearby Numbers

Positive, nonzero integers within three units

121535
10142217
One Hundred and Twenty-One Thousand Five Hundred and Thirty-Five in Base 7 Septenary
121536
10142227
One Hundred and Twenty-One Thousand Five Hundred and Thirty-Six in Base 7 Septenary
121537
10142237
One Hundred and Twenty-One Thousand Five Hundred and Thirty-Seven in Base 7 Septenary
121539
10142257
One Hundred and Twenty-One Thousand Five Hundred and Thirty-Nine in Base 7 Septenary
121540
10142267
One Hundred and Twenty-One Thousand Five Hundred and Forty in Base 7 Septenary
121541
10142307
One Hundred and Twenty-One Thousand Five Hundred and Forty-One in Base 7 Septenary

Scientific Notation

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

1.21538e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00000065301130420241520337

The reciprocal of 121538 in Base 7 Septenary.

Palindrome?

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

The number 10142247 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 five hundred and thirty-eight 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-one thousand five hundred and thirty-eight 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-one thousand five hundred and thirty-eight has the following 3 prime factors:

2
27
Two in Base 7 Septenary
67
1247
Sixty-Seven in Base 7 Septenary
907
24347
Nine Hundred and 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

271 · 12471 · 243471 = 10142247

Base Conversions

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