The Number

18243

Eightteen Thousand Two Hundred and Forty-Three

In Base 21 Unovigesimal Is

1k7f21

The numbers with a 21 subscript use Base 21 Unovigesimal notation.

For more familiar numbers: See Eightteen Thousand Two Hundred and Forty-Three in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

18240
1k7c21
Eightteen Thousand Two Hundred and Forty in Base 21 Unovigesimal
18241
1k7d21
Eightteen Thousand Two Hundred and Forty-One in Base 21 Unovigesimal
18242
1k7e21
Eightteen Thousand Two Hundred and Forty-Two in Base 21 Unovigesimal
18244
1k7g21
Eightteen Thousand Two Hundred and Forty-Four in Base 21 Unovigesimal
18245
1k7h21
Eightteen Thousand Two Hundred and Forty-Five in Base 21 Unovigesimal
18246
1k7i21
Eightteen Thousand Two Hundred and Forty-Six in Base 21 Unovigesimal

Scientific Notation

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

1.8243e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000adi6de3hf0e721

The reciprocal of 18243 in Base 21 Unovigesimal.

Palindrome?

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

The number 1k7f21 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 two hundred and forty-three is a composite number with 6 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Eightteen thousand two hundred and forty-three 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 two hundred and forty-three has the following 2 prime factors:

3
321
Three in Base 21 Unovigesimal
2027
4cb21
Two Thousand and Twenty-Seven in Base 21 Unovigesimal

Prime Factorization

The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities

3212 · 4cb211 = 1k7f21

Base Conversions

The number eightteen thousand two hundred and forty-three in 35 different bases