The Number

345

Three Hundred and Forty-Five

In Base 13 Tridecimal Is

20713

The numbers with a 13 subscript use Base 13 Tridecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

342
20413
Three Hundred and Forty-Two in Base 13 Tridecimal
343
20513
Three Hundred and Forty-Three in Base 13 Tridecimal
344
20613
Three Hundred and Forty-Four in Base 13 Tridecimal
346
20813
Three Hundred and Forty-Six in Base 13 Tridecimal
347
20913
Three Hundred and Forty-Seven in Base 13 Tridecimal
348
20a13
Three Hundred and Forty-Eight in Base 13 Tridecimal

Scientific Notation

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

3.45e2

Reciprocal

A number multiplied with its reciprocal is one.

0.0064a299b45a58c7913

The reciprocal of 345 in Base 13 Tridecimal.

Palindrome?

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

The number 20713 is not a palindrome.

Not A Prime Number

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

Three hundred and forty-five is a composite number with 8 total factors (including 1 and itself).   See primes in Base 13 Tridecimal

A Composite

Composites have more than just these two factors.

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

3
313
Three in Base 13 Tridecimal
5
513
Five in Base 13 Tridecimal
23
1a13
Twenty-Three in Base 13 Tridecimal

Prime Factorization

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

3131 · 5131 · 1a131 = 20713

Base Conversions

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