The Number

121221

One Hundred and Twenty-One Thousand Two Hundred and Twenty-One

In Base 7 Septenary Is

10132627

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

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

Nearby Numbers

Positive, nonzero integers within three units

121218
10132567
One Hundred and Twenty-One Thousand Two Hundred and Eightteen in Base 7 Septenary
121219
10132607
One Hundred and Twenty-One Thousand Two Hundred and Nineteen in Base 7 Septenary
121220
10132617
One Hundred and Twenty-One Thousand Two Hundred and Twenty in Base 7 Septenary
121222
10132637
One Hundred and Twenty-One Thousand Two Hundred and Twenty-Two in Base 7 Septenary
121223
10132647
One Hundred and Twenty-One Thousand Two Hundred and Twenty-Three in Base 7 Septenary
121224
10132657
One Hundred and Twenty-One Thousand Two Hundred and Twenty-Four in Base 7 Septenary

Scientific Notation

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

1.21221e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000006536151534411012167

The reciprocal of 121221 in Base 7 Septenary.

Palindrome?

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

The number 10132627 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 two hundred and twenty-one is a composite number with 6 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 two hundred and twenty-one is a composite number with 6 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 two hundred and twenty-one has the following 2 prime factors:

3
37
Three in Base 7 Septenary
13469
541617
Thirteen Thousand Four Hundred and Sixty-Nine in Base 7 Septenary

Prime Factorization

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

372 · 5416171 = 10132627

Base Conversions

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