The Number

221212

Two Hundred and Twenty-One Thousand Two Hundred and Twelve

In Base 7 Septenary Is

16106357

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

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

Nearby Numbers

Positive, nonzero integers within three units

221209
16106327
Two Hundred and Twenty-One Thousand Two Hundred and Nine in Base 7 Septenary
221210
16106337
Two Hundred and Twenty-One Thousand Two Hundred and Ten in Base 7 Septenary
221211
16106347
Two Hundred and Twenty-One Thousand Two Hundred and Eleven in Base 7 Septenary
221213
16106367
Two Hundred and Twenty-One Thousand Two Hundred and Thirteen in Base 7 Septenary
221214
16106407
Two Hundred and Twenty-One Thousand Two Hundred and Fourteen in Base 7 Septenary
221215
16106417
Two Hundred and Twenty-One Thousand Two Hundred and Fifteen in Base 7 Septenary

Scientific Notation

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

2.21212e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000003502641441214034117

The reciprocal of 221212 in Base 7 Septenary.

Palindrome?

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

The number 16106357 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 two hundred and twelve 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 two hundred and twelve 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 two hundred and twelve has the following 3 prime factors:

2
27
Two in Base 7 Septenary
29
417
Twenty-Nine in Base 7 Septenary
1907
53637
One Thousand Nine Hundred and 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

272 · 4171 · 536371 = 16106357

Base Conversions

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