Name that Number
Its common rational approximation is 22/7
pi
62
2, 31
5/11
5
The third angle in a triangle whose other two angles are 23º and 102º
55º
1, 4, 9, 16, ?
25
It is the smallest prime number
2
246
2, 3, 41
13/33
the acute angle whose cosine is 1/2
60º
1, 1, 2, 3, 5, 8, ?
13
It is equal to the number 68.9999999...
69
1245
3, 5, 83
2314/9999
4
the obtuse angle whose sine is sqrt(2)/2
135º
1, 2, 4, 7, 11, 16, ?
22
It is the smallest positive integer with three distinct prime factors
30
11118
2, 3, 17, 109
41/333
1
The fifth angle of a pentagon whose other four angles are 104º, 36º, 57º, and 212º
131º
3, 6, 18, 72, ?
360
It is the only two-digit number that is both a square and a cube
64
546231
3, 7, 19, 37
4/7
4
The central angle formed by an arc of a circle of radius 5, where the arc length is 2*pi
72º
3, 4, 6, 8, 12, 14, ?
18