The Number

18842

Eightteen Thousand Eight Hundred and Forty-Two

In Base 21 Unovigesimal Is

20f521

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

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

Nearby Numbers

Positive, nonzero integers within three units

18839
20f221
Eightteen Thousand Eight Hundred and Thirty-Nine in Base 21 Unovigesimal
18840
20f321
Eightteen Thousand Eight Hundred and Forty in Base 21 Unovigesimal
18841
20f421
Eightteen Thousand Eight Hundred and Forty-One in Base 21 Unovigesimal
18843
20f621
Eightteen Thousand Eight Hundred and Forty-Three in Base 21 Unovigesimal
18844
20f721
Eightteen Thousand Eight Hundred and Forty-Four in Base 21 Unovigesimal
18845
20f821
Eightteen Thousand Eight Hundred and Forty-Five in Base 21 Unovigesimal

Scientific Notation

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

1.8842e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000a6fi0e27k7g6721

The reciprocal of 18842 in Base 21 Unovigesimal.

Palindrome?

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

The number 20f521 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 eight hundred and forty-two is a composite number with 4 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Eightteen thousand eight hundred and forty-two is a composite number with 4 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 eight hundred and forty-two has the following 2 prime factors:

2
221
Two in Base 21 Unovigesimal
9421
107d21
Nine Thousand Four Hundred and Twenty-One in Base 21 Unovigesimal

Prime Factorization

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

2211 · 107d211 = 20f521

Base Conversions

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