The Number

12505

Twelve Thousand Five Hundred and Five

In Base 18 Octodecimal Is

22ad18

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

For more familiar numbers: See Twelve Thousand Five Hundred and Five in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

12502
22aa18
Twelve Thousand Five Hundred and Two in Base 18 Octodecimal
12503
22ab18
Twelve Thousand Five Hundred and Three in Base 18 Octodecimal
12504
22ac18
Twelve Thousand Five Hundred and Four in Base 18 Octodecimal
12506
22ae18
Twelve Thousand Five Hundred and Six in Base 18 Octodecimal
12507
22af18
Twelve Thousand Five Hundred and Seven in Base 18 Octodecimal
12508
22ag18
Twelve Thousand Five 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.

1.2505e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000871g064f976c618

The reciprocal of 12505 in Base 18 Octodecimal.

Palindrome?

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

The number 22ad18 is not a palindrome.

Not A Prime Number

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

Twelve thousand five hundred 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.

Twelve thousand five hundred 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 twelve thousand five hundred and five has the following 3 prime factors:

5
518
Five in Base 18 Octodecimal
41
2518
Forty-One in Base 18 Octodecimal
61
3718
Sixty-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 · 25181 · 37181 = 22ad18

Base Conversions

The number twelve thousand five hundred and five in 35 different bases