The Number

21396

Twenty-One Thousand Three Hundred and Ninety-Six

In Base 7 Septenary Is

1162447

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

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

Nearby Numbers

Positive, nonzero integers within three units

21393
1162417
Twenty-One Thousand Three Hundred and Ninety-Three in Base 7 Septenary
21394
1162427
Twenty-One Thousand Three Hundred and Ninety-Four in Base 7 Septenary
21395
1162437
Twenty-One Thousand Three Hundred and Ninety-Five in Base 7 Septenary
21397
1162457
Twenty-One Thousand Three Hundred and Ninety-Seven in Base 7 Septenary
21398
1162467
Twenty-One Thousand Three Hundred and Ninety-Eight in Base 7 Septenary
21399
1162507
Twenty-One Thousand Three Hundred and Ninety-Nine in Base 7 Septenary

Scientific Notation

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

2.1396e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000053330150163242343447

The reciprocal of 21396 in Base 7 Septenary.

Palindrome?

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

The number 1162447 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 three hundred and ninety-six 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.

Twenty-one thousand three hundred and ninety-six 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 twenty-one thousand three hundred and ninety-six has the following 3 prime factors:

2
27
Two in Base 7 Septenary
3
37
Three in Base 7 Septenary
1783
51257
One Thousand Seven Hundred and Eighty-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 · 371 · 512571 = 1162447

Base Conversions

The number twenty-one thousand three hundred and ninety-six in 35 different bases