The Number

12345

Twelve Thousand Three Hundred and Forty-Five

In Base 15 Quindecimal Is

39d015

The numbers with a 15 subscript use Base 15 Quindecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

12342
39cc15
Twelve Thousand Three Hundred and Forty-Two in Base 15 Quindecimal
12343
39cd15
Twelve Thousand Three Hundred and Forty-Three in Base 15 Quindecimal
12344
39ce15
Twelve Thousand Three Hundred and Forty-Four in Base 15 Quindecimal
12346
39d115
Twelve Thousand Three Hundred and Forty-Six in Base 15 Quindecimal
12347
39d215
Twelve Thousand Three Hundred and Forty-Seven in Base 15 Quindecimal
12348
39d315
Twelve Thousand Three Hundred and Forty-Eight in Base 15 Quindecimal

Scientific Notation

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

1.2345e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000417a585b5d071a15

The reciprocal of 12345 in Base 15 Quindecimal.

Palindrome?

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

The number 39d015 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 three hundred and forty-five is a composite number with 8 total factors (including 1 and itself).   See primes in Base 15 Quindecimal

A Composite

Composites have more than just these two factors.

Twelve thousand three hundred and forty-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 three hundred and forty-five has the following 3 prime factors:

3
315
Three in Base 15 Quindecimal
5
515
Five in Base 15 Quindecimal
823
39d15
Eight Hundred and Twenty-Three in Base 15 Quindecimal

Prime Factorization

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

3151 · 5151 · 39d151 = 39d015

Base Conversions

The number twelve thousand three hundred and forty-five in 35 different bases