The Number

21188

Twenty-One Thousand One Hundred and Eighty-Eight

In Base 7 Septenary Is

1155267

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

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

Nearby Numbers

Positive, nonzero integers within three units

21185
1155237
Twenty-One Thousand One Hundred and Eighty-Five in Base 7 Septenary
21186
1155247
Twenty-One Thousand One Hundred and Eighty-Six in Base 7 Septenary
21187
1155257
Twenty-One Thousand One Hundred and Eighty-Seven in Base 7 Septenary
21189
1155307
Twenty-One Thousand One Hundred and Eighty-Nine in Base 7 Septenary
21190
1155317
Twenty-One Thousand One Hundred and Ninety in Base 7 Septenary
21191
1155327
Twenty-One Thousand One Hundred and Ninety-One in Base 7 Septenary

Scientific Notation

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

2.1188e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000005360356450556062437

The reciprocal of 21188 in Base 7 Septenary.

Palindrome?

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

The number 1155267 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 one hundred and eighty-eight 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 one hundred and eighty-eight 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 one hundred and eighty-eight has the following 2 prime factors:

2
27
Two in Base 7 Septenary
5297
213057
Five Thousand Two Hundred and Ninety-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 · 2130571 = 1155267

Base Conversions

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