The Number

42105

Forty-Two Thousand One Hundred and Five

In Base 18 Octodecimal Is

73h318

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

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

Nearby Numbers

Positive, nonzero integers within three units

42102
73h018
Forty-Two Thousand One Hundred and Two in Base 18 Octodecimal
42103
73h118
Forty-Two Thousand One Hundred and Three in Base 18 Octodecimal
42104
73h218
Forty-Two Thousand One Hundred and Four in Base 18 Octodecimal
42106
73h418
Forty-Two Thousand One Hundred and Six in Base 18 Octodecimal
42107
73h518
Forty-Two Thousand One Hundred and Seven in Base 18 Octodecimal
42108
73h618
Forty-Two Thousand One Hundred 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.

4.2105e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00028fe5cab51f7518

The reciprocal of 42105 in Base 18 Octodecimal.

Palindrome?

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

The number 73h318 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 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 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 five has the following 4 prime factors:

3
318
Three in Base 18 Octodecimal
5
518
Five in Base 18 Octodecimal
7
718
Seven in Base 18 Octodecimal
401
14518
Four Hundred and 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

3181 · 5181 · 7181 · 145181 = 73h318

Base Conversions

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