The Number

221551

Two Hundred and Twenty-One Thousand Five Hundred and Fifty-One

In Base 7 Septenary Is

16116317

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

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

Nearby Numbers

Positive, nonzero integers within three units

221548
16116257
Two Hundred and Twenty-One Thousand Five Hundred and Forty-Eight in Base 7 Septenary
221549
16116267
Two Hundred and Twenty-One Thousand Five Hundred and Forty-Nine in Base 7 Septenary
221550
16116307
Two Hundred and Twenty-One Thousand Five Hundred and Fifty in Base 7 Septenary
221552
16116327
Two Hundred and Twenty-One Thousand Five Hundred and Fifty-Two in Base 7 Septenary
221553
16116337
Two Hundred and Twenty-One Thousand Five Hundred and Fifty-Three in Base 7 Septenary
221554
16116347
Two Hundred and Twenty-One Thousand Five Hundred and Fifty-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.

2.21551e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00000035006633222501244547

The reciprocal of 221551 in Base 7 Septenary.

Palindrome?

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

The number 16116317 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 five hundred and fifty-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.

Two hundred and twenty-one thousand five hundred and fifty-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 two hundred and twenty-one thousand five hundred and fifty-one has the following 2 prime factors:

11
147
Eleven in Base 7 Septenary
1831
52247
One Thousand Eight Hundred and Thirty-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

1472 · 522471 = 16116317

Base Conversions

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