The Number

221208

Two Hundred and Twenty-One Thousand Two Hundred and Eight

In Base 7 Septenary Is

16106317

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 Eight in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

221205
16106257
Two Hundred and Twenty-One Thousand Two Hundred and Five in Base 7 Septenary
221206
16106267
Two Hundred and Twenty-One Thousand Two Hundred and Six in Base 7 Septenary
221207
16106307
Two Hundred and Twenty-One Thousand Two Hundred and Seven in Base 7 Septenary
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

Scientific Notation

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

2.21208e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00000035026524016065226657

The reciprocal of 221208 in Base 7 Septenary.

Palindrome?

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

The number 16106317 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 eight is a composite number with 32 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 eight is a composite number with 32 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 eight has the following 4 prime factors:

2
27
Two in Base 7 Septenary
3
37
Three in Base 7 Septenary
13
167
Thirteen in Base 7 Septenary
709
20327
Seven Hundred and Nine in Base 7 Septenary

Prime Factorization

The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities

273 · 371 · 1671 · 203271 = 16106317

Base Conversions

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