
Curios:
Curios Search:
Participate: 
Just showing those entries submitted by 'Teofilatto': (Click here to show all)
23 is the smallest and only prime of the form 2x^2  y^2 and 3x^2  y^2, where x and y are two consecutive numbers. [Teofilatto] 23 is the smallest prime equal to the sum of three distinct primes in two ways: 5+7+11 = 3+7+13 = 23. [Teofilatto] 23 = (2^2 + 3^3)  (2! + 3!). [Teofilatto]
(There is one curio for this number that has not yet been approved by an editor.)
Prime Curios! © 20002017 (all rights
reserved)
