The Number

21994

Twenty-One Thousand Nine Hundred and Ninety-Four

In Base 7 Septenary Is

1210607

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

For more familiar numbers: See Twenty-One Thousand Nine Hundred and Ninety-Four in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

21991
1210547
Twenty-One Thousand Nine Hundred and Ninety-One in Base 7 Septenary
21992
1210557
Twenty-One Thousand Nine Hundred and Ninety-Two in Base 7 Septenary
21993
1210567
Twenty-One Thousand Nine Hundred and Ninety-Three in Base 7 Septenary
21995
1210617
Twenty-One Thousand Nine Hundred and Ninety-Five in Base 7 Septenary
21996
1210627
Twenty-One Thousand Nine Hundred and Ninety-Six in Base 7 Septenary
21997
1210637
Twenty-One Thousand Nine Hundred and Ninety-Seven in Base 7 Septenary

Scientific Notation

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

2.1994e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000052305200234013241127

The reciprocal of 21994 in Base 7 Septenary.

Palindrome?

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

The number 1210607 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 nine hundred and ninety-four is a composite number with 8 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 nine hundred and ninety-four is a composite number with 8 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 nine hundred and ninety-four has the following 3 prime factors:

2
27
Two in Base 7 Septenary
7
107
Seven in Base 7 Septenary
1571
44037
One Thousand Five Hundred and Seventy-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

271 · 1071 · 440371 = 1210607

Base Conversions

The number twenty-one thousand nine hundred and ninety-four in 35 different bases