The Number

121530

One Hundred and Twenty-One Thousand Five Hundred and Thirty

In Base 7 Septenary Is

10142137

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 in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

121527
10142107
One Hundred and Twenty-One Thousand Five Hundred and Twenty-Seven in Base 7 Septenary
121528
10142117
One Hundred and Twenty-One Thousand Five Hundred and Twenty-Eight in Base 7 Septenary
121529
10142127
One Hundred and Twenty-One Thousand Five Hundred and Twenty-Nine in Base 7 Septenary
121531
10142147
One Hundred and Twenty-One Thousand Five Hundred and Thirty-One in Base 7 Septenary
121532
10142157
One Hundred and Twenty-One Thousand Five Hundred and Thirty-Two in Base 7 Septenary
121533
10142167
One Hundred and Twenty-One Thousand Five Hundred and Thirty-Three in Base 7 Septenary

Scientific Notation

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

1.21530e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000006530216364442515237

The reciprocal of 121530 in Base 7 Septenary.

Palindrome?

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

The number 10142137 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 is a composite number with 16 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 is a composite number with 16 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 has the following 4 prime factors:

2
27
Two in Base 7 Septenary
3
37
Three in Base 7 Septenary
5
57
Five in Base 7 Septenary
4051
145457
Four Thousand and Fifty-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

271 · 371 · 571 · 1454571 = 10142137

Base Conversions

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