The Number

12505

Twelve Thousand Five Hundred and Five

In Base 12 Duodecimal Is

72a112

The numbers with a 12 subscript use Base 12 Duodecimal 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
729a12
Twelve Thousand Five Hundred and Two in Base 12 Duodecimal
12503
729b12
Twelve Thousand Five Hundred and Three in Base 12 Duodecimal
12504
72a012
Twelve Thousand Five Hundred and Four in Base 12 Duodecimal
12506
72a212
Twelve Thousand Five Hundred and Six in Base 12 Duodecimal
12507
72a312
Twelve Thousand Five Hundred and Seven in Base 12 Duodecimal
12508
72a412
Twelve Thousand Five Hundred and Eight in Base 12 Duodecimal

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.

0.00017a94946a887668312

The reciprocal of 12505 in Base 12 Duodecimal.

Palindrome?

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

The number 72a112 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 12 Duodecimal

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
512
Five in Base 12 Duodecimal
41
3512
Forty-One in Base 12 Duodecimal
61
5112
Sixty-One in Base 12 Duodecimal

Prime Factorization

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

5121 · 35121 · 51121 = 72a112

Base Conversions

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