The Number

221001

Two Hundred and Twenty-One Thousand and One

In Base 7 Septenary Is

16102147

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

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

Nearby Numbers

Positive, nonzero integers within three units

220998
16102117
Two Hundred and Twenty Thousand Nine Hundred and Ninety-Eight in Base 7 Septenary
220999
16102127
Two Hundred and Twenty Thousand Nine Hundred and Ninety-Nine in Base 7 Septenary
221000
16102137
Two Hundred and Twenty-One Thousand in Base 7 Septenary
221002
16102157
Two Hundred and Twenty-One Thousand and Two in Base 7 Septenary
221003
16102167
Two Hundred and Twenty-One Thousand and Three in Base 7 Septenary
221004
16102207
Two Hundred and Twenty-One Thousand and 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.

2.21001e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00000035041065540061532337

The reciprocal of 221001 in Base 7 Septenary.

Palindrome?

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

The number 16102147 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 and one 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.

Two hundred and twenty-one thousand and one 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 two hundred and twenty-one thousand and one has the following 4 prime factors:

3
37
Three in Base 7 Septenary
11
147
Eleven in Base 7 Septenary
37
527
Thirty-Seven in Base 7 Septenary
181
3467
One Hundred and Eighty-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

371 · 1471 · 5271 · 34671 = 16102147

Base Conversions

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