The Number

42185

Forty-Two Thousand One Hundred and Eighty-Five

In Base 18 Octodecimal Is

743b18

The numbers with a 18 subscript use Base 18 Octodecimal notation.

For more familiar numbers: See Forty-Two Thousand One Hundred and Eighty-Five in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

42182
743818
Forty-Two Thousand One Hundred and Eighty-Two in Base 18 Octodecimal
42183
743918
Forty-Two Thousand One Hundred and Eighty-Three in Base 18 Octodecimal
42184
743a18
Forty-Two Thousand One Hundred and Eighty-Four in Base 18 Octodecimal
42186
743c18
Forty-Two Thousand One Hundred and Eighty-Six in Base 18 Octodecimal
42187
743d18
Forty-Two Thousand One Hundred and Eighty-Seven in Base 18 Octodecimal
42188
743e18
Forty-Two Thousand One Hundred and Eighty-Eight in Base 18 Octodecimal

Scientific Notation

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

4.2185e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00028e4d68eg1787c18

The reciprocal of 42185 in Base 18 Octodecimal.

Palindrome?

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

The number 743b18 is not a palindrome.

Not A Prime Number

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

Forty-two thousand one hundred and eighty-five is a composite number with 16 total factors (including 1 and itself).   See primes in Base 18 Octodecimal

A Composite

Composites have more than just these two factors.

Forty-two thousand one hundred and eighty-five is a composite number with 16 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 forty-two thousand one hundred and eighty-five has the following 4 prime factors:

5
518
Five in Base 18 Octodecimal
11
b18
Eleven in Base 18 Octodecimal
13
d18
Thirteen in Base 18 Octodecimal
59
3518
Fifty-Nine in Base 18 Octodecimal

Prime Factorization

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

5181 · b181 · d181 · 35181 = 743b18

Base Conversions

The number forty-two thousand one hundred and eighty-five in 35 different bases