The Number

21392

Twenty-One Thousand Three Hundred and Ninety-Two

In Base 7 Septenary Is

1162407

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

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

Nearby Numbers

Positive, nonzero integers within three units

21389
1162347
Twenty-One Thousand Three Hundred and Eighty-Nine in Base 7 Septenary
21390
1162357
Twenty-One Thousand Three Hundred and Ninety in Base 7 Septenary
21391
1162367
Twenty-One Thousand Three Hundred and Ninety-One in Base 7 Septenary
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

Scientific Notation

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

2.1392e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000053332500005333250017

The reciprocal of 21392 in Base 7 Septenary.

Palindrome?

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

The number 1162407 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-two is a composite number with 20 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-two is a composite number with 20 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-two has the following 3 prime factors:

2
27
Two in Base 7 Septenary
7
107
Seven in Base 7 Septenary
191
3627
One Hundred and Ninety-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

274 · 1071 · 36271 = 1162407

Base Conversions

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