The Number

20425

Twenty Thousand Four Hundred and Twenty-Five

In Base 18 Octodecimal Is

390d18

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

For more familiar numbers: See Twenty Thousand Four Hundred and Twenty-Five in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

20422
390a18
Twenty Thousand Four Hundred and Twenty-Two in Base 18 Octodecimal
20423
390b18
Twenty Thousand Four Hundred and Twenty-Three in Base 18 Octodecimal
20424
390c18
Twenty Thousand Four Hundred and Twenty-Four in Base 18 Octodecimal
20426
390e18
Twenty Thousand Four Hundred and Twenty-Six in Base 18 Octodecimal
20427
390f18
Twenty Thousand Four Hundred and Twenty-Seven in Base 18 Octodecimal
20428
390g18
Twenty Thousand Four Hundred and Twenty-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.

2.0425e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00052940h2h09b5b18

The reciprocal of 20425 in Base 18 Octodecimal.

Palindrome?

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

The number 390d18 is not a palindrome.

Not A Prime Number

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

Twenty thousand four hundred and twenty-five is a composite number with 12 total factors (including 1 and itself).   See primes in Base 18 Octodecimal

A Composite

Composites have more than just these two factors.

Twenty thousand four hundred and twenty-five is a composite number with 12 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 twenty thousand four hundred and twenty-five has the following 3 prime factors:

5
518
Five in Base 18 Octodecimal
19
1118
Nineteen in Base 18 Octodecimal
43
2718
Forty-Three in Base 18 Octodecimal

Prime Factorization

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

5182 · 11181 · 27181 = 390d18

Base Conversions

The number twenty thousand four hundred and twenty-five in 35 different bases