| 6
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| 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 |
Six (6) is a positive integer one more than 5 and one less than 7.
Properties[]
6 is the second composite number and the first to not be a power. Its factorization is 2*3. The next composite number is 8 and the previous is 4. It is the second semiprime number, between 4 and 9.
6 is the third triangular number (between 3 and 10).
6 is the third factorial number, between 2 and 24. It is also the second primorial number (between 2 and 30). It is the only number after 2 to be both a factorial and primorial.
6 is the first perfect number, because 1+2+3 = 6. The next perfect number is 28.
6 is the fourth highly composite number, the first with 4 factors. The next is 12 and the previous is 4.