The Number

20

Twenty

In Base 13 Tridecimal Is

1713

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

For more familiar numbers: See Twenty in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

17
1413
Seventeen in Base 13 Tridecimal
18
1513
Eightteen in Base 13 Tridecimal
19
1613
Nineteen in Base 13 Tridecimal
21
1813
Twenty-One in Base 13 Tridecimal
22
1913
Twenty-Two in Base 13 Tridecimal
23
1a13
Twenty-Three in Base 13 Tridecimal

Scientific Notation

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

2e1

Reciprocal

A number multiplied with its reciprocal is one.

0.085b085b085b08613

The reciprocal of 20 in Base 13 Tridecimal.

Palindrome?

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

The number 1713 is not a palindrome.

Not A Prime Number

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

Twenty is a composite number with 6 total factors (including 1 and itself).   See primes in Base 13 Tridecimal

A Composite

Composites have more than just these two factors.

Twenty is a composite number with 6 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 twenty has the following 2 prime factors:

2
213
Two in Base 13 Tridecimal
5
513
Five in Base 13 Tridecimal

Prime Factorization

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

2132 · 5131 = 1713

Base Conversions

The number twenty in 35 different bases