The Number

12345

Twelve Thousand Three Hundred and Forty-Five

In Base 19 Nonadecimal Is

1f3e19

The numbers with a 19 subscript use Base 19 Nonadecimal 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
1f3b19
Twelve Thousand Three Hundred and Forty-Two in Base 19 Nonadecimal
12343
1f3c19
Twelve Thousand Three Hundred and Forty-Three in Base 19 Nonadecimal
12344
1f3d19
Twelve Thousand Three Hundred and Forty-Four in Base 19 Nonadecimal
12346
1f3f19
Twelve Thousand Three Hundred and Forty-Six in Base 19 Nonadecimal
12347
1f3g19
Twelve Thousand Three Hundred and Forty-Seven in Base 19 Nonadecimal
12348
1f3h19
Twelve Thousand Three Hundred and Forty-Eight in Base 19 Nonadecimal

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.

0.000aaahb5357ce319

The reciprocal of 12345 in Base 19 Nonadecimal.

Palindrome?

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

The number 1f3e19 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 19 Nonadecimal

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
319
Three in Base 19 Nonadecimal
5
519
Five in Base 19 Nonadecimal
823
25619
Eight Hundred and Twenty-Three in Base 19 Nonadecimal

Prime Factorization

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

3191 · 5191 · 256191 = 1f3e19

Base Conversions

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