The Number

18421

Eightteen Thousand Four Hundred and Twenty-One

In Base 7 Septenary Is

1044647

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

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

Nearby Numbers

Positive, nonzero integers within three units

18418
1044617
Eightteen Thousand Four Hundred and Eightteen in Base 7 Septenary
18419
1044627
Eightteen Thousand Four Hundred and Nineteen in Base 7 Septenary
18420
1044637
Eightteen Thousand Four Hundred and Twenty in Base 7 Septenary
18422
1044657
Eightteen Thousand Four Hundred and Twenty-Two in Base 7 Septenary
18423
1044667
Eightteen Thousand Four Hundred and Twenty-Three in Base 7 Septenary
18424
1045007
Eightteen Thousand Four Hundred and Twenty-Four in Base 7 Septenary

Scientific Notation

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

1.8421e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000006246426211020063337

The reciprocal of 18421 in Base 7 Septenary.

Palindrome?

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

The number 1044647 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Eightteen thousand four hundred and twenty-one 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.

Eightteen thousand four hundred and twenty-one 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 eightteen thousand four hundred and twenty-one has the following 2 prime factors:

13
167
Thirteen in Base 7 Septenary
109
2147
One Hundred and 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

1672 · 21471 = 1044647

Base Conversions

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