The Number

42390

Forty-Two Thousand Three Hundred and Ninety

In Base 18 Octodecimal Is

74f018

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

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

Nearby Numbers

Positive, nonzero integers within three units

42387
74ef18
Forty-Two Thousand Three Hundred and Eighty-Seven in Base 18 Octodecimal
42388
74eg18
Forty-Two Thousand Three Hundred and Eighty-Eight in Base 18 Octodecimal
42389
74eh18
Forty-Two Thousand Three Hundred and Eighty-Nine in Base 18 Octodecimal
42391
74f118
Forty-Two Thousand Three Hundred and Ninety-One in Base 18 Octodecimal
42392
74f218
Forty-Two Thousand Three Hundred and Ninety-Two in Base 18 Octodecimal
42393
74f318
Forty-Two Thousand Three Hundred and Ninety-Three in Base 18 Octodecimal

Scientific Notation

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

4.2390e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00028a6a0e0ad2g7618

The reciprocal of 42390 in Base 18 Octodecimal.

Palindrome?

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

The number 74f018 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 three hundred and ninety is a composite number with 32 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 three hundred and ninety is a composite number with 32 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 three hundred and ninety has the following 4 prime factors:

2
218
Two in Base 18 Octodecimal
3
318
Three in Base 18 Octodecimal
5
518
Five in Base 18 Octodecimal
157
8d18
One Hundred and Fifty-Seven in Base 18 Octodecimal

Prime Factorization

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

2181 · 3183 · 5181 · 8d181 = 74f018

Base Conversions

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