The Number

42005

Forty-Two Thousand and Five

In Base 18 Octodecimal Is

73bb18

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

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

Nearby Numbers

Positive, nonzero integers within three units

42002
73b818
Forty-Two Thousand and Two in Base 18 Octodecimal
42003
73b918
Forty-Two Thousand and Three in Base 18 Octodecimal
42004
73ba18
Forty-Two Thousand and Four in Base 18 Octodecimal
42006
73bc18
Forty-Two Thousand and Six in Base 18 Octodecimal
42007
73bd18
Forty-Two Thousand and Seven in Base 18 Octodecimal
42008
73be18
Forty-Two Thousand and 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.

4.2005e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00028hcge14h877ac18

The reciprocal of 42005 in Base 18 Octodecimal.

Palindrome?

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

The number 73bb18 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 and five is a composite number with 8 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 and five is a composite number with 8 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 and five has the following 3 prime factors:

5
518
Five in Base 18 Octodecimal
31
1d18
Thirty-One in Base 18 Octodecimal
271
f118
Two Hundred and Seventy-One 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 · 1d181 · f1181 = 73bb18

Base Conversions

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