The Number

221121

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

In Base 7 Septenary Is

16104457

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

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

Nearby Numbers

Positive, nonzero integers within three units

221118
16104427
Two Hundred and Twenty-One Thousand One Hundred and Eightteen in Base 7 Septenary
221119
16104437
Two Hundred and Twenty-One Thousand One Hundred and Nineteen in Base 7 Septenary
221120
16104447
Two Hundred and Twenty-One Thousand One Hundred and Twenty in Base 7 Septenary
221122
16104467
Two Hundred and Twenty-One Thousand One Hundred and Twenty-Two in Base 7 Septenary
221123
16104507
Two Hundred and Twenty-One Thousand One Hundred and Twenty-Three in Base 7 Septenary
221124
16104517
Two Hundred and Twenty-One Thousand One 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.

2.21121e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00000035033166232302423447

The reciprocal of 221121 in Base 7 Septenary.

Palindrome?

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

The number 16104457 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Two hundred and twenty-one thousand one hundred and twenty-one is a composite number with 12 total factors (including 1 and itself).   See primes in Base 7 Septenary

A Composite

Composites have more than just these two factors.

Two hundred and twenty-one thousand one hundred and twenty-one is a composite number with 12 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 two hundred and twenty-one thousand one hundred and twenty-one has the following 3 prime factors:

3
37
Three in Base 7 Septenary
79
1427
Seventy-Nine in Base 7 Septenary
311
6237
Three Hundred and Eleven 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 · 14271 · 62371 = 16104457

Base Conversions

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