The Number

21212

Twenty-One Thousand Two Hundred and Twelve

In Base 7 Septenary Is

1155627

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

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

Nearby Numbers

Positive, nonzero integers within three units

21209
1155567
Twenty-One Thousand Two Hundred and Nine in Base 7 Septenary
21210
1155607
Twenty-One Thousand Two Hundred and Ten in Base 7 Septenary
21211
1155617
Twenty-One Thousand Two Hundred and Eleven in Base 7 Septenary
21213
1155637
Twenty-One Thousand Two Hundred and Thirteen in Base 7 Septenary
21214
1155647
Twenty-One Thousand Two Hundred and Fourteen in Base 7 Septenary
21215
1155657
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.

2.1212e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000053552523606606531347

The reciprocal of 21212 in Base 7 Septenary.

Palindrome?

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

The number 1155627 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Twenty-one thousand two hundred and twelve 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.

Twenty-one thousand two hundred and twelve 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 twenty-one thousand two hundred and twelve has the following 2 prime factors:

2
27
Two in Base 7 Septenary
5303
213147
Five Thousand Three Hundred and Three 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 · 2131471 = 1155627

Base Conversions

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