The Number

221801

Two Hundred and Twenty-One Thousand Eight Hundred and One

In Base 7 Septenary Is

16124367

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

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

Nearby Numbers

Positive, nonzero integers within three units

221798
16124337
Two Hundred and Twenty-One Thousand Seven Hundred and Ninety-Eight in Base 7 Septenary
221799
16124347
Two Hundred and Twenty-One Thousand Seven Hundred and Ninety-Nine in Base 7 Septenary
221800
16124357
Two Hundred and Twenty-One Thousand Eight Hundred in Base 7 Septenary
221802
16124407
Two Hundred and Twenty-One Thousand Eight Hundred and Two in Base 7 Septenary
221803
16124417
Two Hundred and Twenty-One Thousand Eight Hundred and Three in Base 7 Septenary
221804
16124427
Two Hundred and Twenty-One Thousand Eight Hundred 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.

2.21801e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00000034663603613262225427

The reciprocal of 221801 in Base 7 Septenary.

Palindrome?

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

The number 16124367 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 eight hundred and one is a composite number with 4 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 eight hundred and one is a composite number with 4 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 eight hundred and one has the following 2 prime factors:

293
5667
Two Hundred and Ninety-Three in Base 7 Septenary
757
21317
Seven Hundred and Fifty-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

56671 · 213171 = 16124367

Base Conversions

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