The Number

42840

Forty-Two Thousand Eight Hundred and Forty

In Base 18 Octodecimal Is

764018

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

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

Nearby Numbers

Positive, nonzero integers within three units

42837
763f18
Forty-Two Thousand Eight Hundred and Thirty-Seven in Base 18 Octodecimal
42838
763g18
Forty-Two Thousand Eight Hundred and Thirty-Eight in Base 18 Octodecimal
42839
763h18
Forty-Two Thousand Eight Hundred and Thirty-Nine in Base 18 Octodecimal
42841
764118
Forty-Two Thousand Eight Hundred and Forty-One in Base 18 Octodecimal
42842
764218
Forty-Two Thousand Eight Hundred and Forty-Two in Base 18 Octodecimal
42843
764318
Forty-Two Thousand Eight Hundred and Forty-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.

4.2840e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000281gf59bcd49218

The reciprocal of 42840 in Base 18 Octodecimal.

Palindrome?

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

The number 764018 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 eight hundred and forty is a composite number with 96 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 eight hundred and forty is a composite number with 96 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 eight hundred and forty has the following 5 prime factors:

2
218
Two in Base 18 Octodecimal
3
318
Three in Base 18 Octodecimal
5
518
Five in Base 18 Octodecimal
7
718
Seven in Base 18 Octodecimal
17
h18
Seventeen in Base 18 Octodecimal

Prime Factorization

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

2183 · 3182 · 5181 · 7181 · h181 = 764018

Base Conversions

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