68 | |||||||||
---|---|---|---|---|---|---|---|---|---|
Numbers 0 - 99 | |||||||||
0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 |
20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 |
30 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 |
40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | 48 | 49 |
50 | 51 | 52 | 53 | 54 | 55 | 56 | 57 | 58 | 59 |
60 | 61 | 62 | 63 | 64 | 65 | 66 | 67 | 68 | 69 |
70 | 71 | 72 | 73 | 74 | 75 | 76 | 77 | 78 | 79 |
80 | 81 | 82 | 83 | 84 | 85 | 86 | 87 | 88 | 89 |
90 | 91 | 92 | 93 | 94 | 95 | 96 | 97 | 98 | 99 |
68 (sixty-eight) is a positive integer following 67 and preceding 69. Its ordinal form is written "sixty-eighth" or 68th.
Properties[]
- 68 is an even composite number.
- 68 is a happy number[1] because repeatedly summing the squares digits will lead to 1: 68, 62 + 82 = 100, 12 + 02 + 02 = 1.
In chess[]
It is also the number of possible knight moves in 4×5 minichess.
In googology[]
In Greek-based number-naming systems, 68 is associated with prefix "octohexaconta-", and with prefix "octosexaginti-" in Latin systems.
In TV broadcasting[]
In most of the Old World, the Band I ends at 68 MHz.
Sources[]
- ↑ MathWorld, Happy Number