The Number

21492

Twenty-One Thousand Four Hundred and Ninety-Two

In Base 7 Septenary Is

1164427

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

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

Nearby Numbers

Positive, nonzero integers within three units

21489
1164367
Twenty-One Thousand Four Hundred and Eighty-Nine in Base 7 Septenary
21490
1164407
Twenty-One Thousand Four Hundred and Ninety in Base 7 Septenary
21491
1164417
Twenty-One Thousand Four Hundred and Ninety-One in Base 7 Septenary
21493
1164437
Twenty-One Thousand Four Hundred and Ninety-Three in Base 7 Septenary
21494
1164447
Twenty-One Thousand Four Hundred and Ninety-Four in Base 7 Septenary
21495
1164457
Twenty-One Thousand Four 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.

2.1492e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000053214163022526155517

The reciprocal of 21492 in Base 7 Septenary.

Palindrome?

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

The number 1164427 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 four hundred and ninety-two is a composite number with 24 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 four hundred and ninety-two is a composite number with 24 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 four hundred and ninety-two has the following 3 prime factors:

2
27
Two in Base 7 Septenary
3
37
Three in Base 7 Septenary
199
4037
One Hundred and Ninety-Nine 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 · 373 · 40371 = 1164427

Base Conversions

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