19 (nineteen) is the natural number following 18 and preceding 20. It is a prime number. 19 {\displaystyle 19} is the eighth prime number, and forms a...

Nineteen or 19 may refer to: 19 (number), the natural number following 18 and preceding 20 one of the years 19 BC, AD 19, 1919, 2019 19 (film), a 2001...

A number is a mathematical object used to count, measure, and label. The most basic examples are the natural numbers 1, 2, 3, 4, and so forth. Numbers...

triangular number, hexagonal number, divisible by the number of primes below it 1129 = number of lattice points inside a circle of radius 19 1130 = skiponacci...

Highway 19 British Columbia Highway 19 Manitoba Highway 19 Nova Scotia Trunk 19 Ontario Highway 19 Route 19 (Prince Edward Island) Quebec Autoroute 19 Saskatchewan...

worldwide total number of deaths due to COVID‑19 to have exceeded five million. The Public Health Emergency of International Concern for COVID-19 ended on May...

Achilles number smallest four digit eban number the sum of all the nban numbers in the sequence 2001 – sphenic number 2002 – palindromic number in decimal...

is the natural number following 19 and preceding 21. A group of twenty units may be referred to as a score. Twenty is a pronic number, as it is the product...

nontotient, 2-Knödel number, Stitch's experiment number 627 = 3 × 11 × 19, sphenic number, number of integer partitions of 20, Smith number 628 = 22 × 157,...

Harshad number 703 = 19 × 37, triangular number, hexagonal number, smallest number requiring 73 fifth powers for Waring representation, Kaprekar number, area...