# Groups of Numbers

Name the sets or sequences that these numbers belong to.
Quiz by relessness
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Last updated: April 13, 2013
 First submitted April 13, 2013 Times taken 304 Report this quiz Report
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 Set Group π, √2, √-3, √5 Irrational 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31 Prime 1, 3, 5, 7, 9, 11, 13 Odd 0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55 Fibonacci 4, 6, 8, 9, 10, 12, 14, 15, 16, 18 Composite
 Set Group -5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5, 6 Integer 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13 Natural 0, 1, 3, 6, 10, 15, 21, 28 Triangular 1, 4, 9, 16, 25, 36, 49, 64 Square (3, 4, 5), (5, 12, 13), (7, 24, 25), (9, 40, 41) Pythagorean triple
+1
Level 67
Jul 3, 2013
Cool quiz!
+1
Level 62
Mar 21, 2016
Man, I was so proud of recognizing Fibonacci and Pythagorean triples instantly, but I couln't spell them :(
+1
Level 52
Jul 7, 2016
squareroot of -3 is not an irrational number, it is imaginary.