272

Number
$272$ (two hundred and seventy-two) is:


 * $2^4 \times 17$


 * The $5$th primitive abundant number after $20, 70, 88, 104$:
 * $1 + 2 + 4 + 8 + 16 + 17 + 34 + 68 + 136 = 286 > 272$


 * The $6$th primitive semiperfect number after $6, 20, 28, 88, 104$:
 * $272 = 1 + 16 + 17 + 34 + 68 + 136$


 * The $13$th inconsummate number after $62, 63, 65, 75, 84, 95, 161, 173, 195, 216, 261, 266$:
 * $\nexists n \in \Z_{>0}: n = 272 \times s_{10} \left({n}\right)$


 * The $53$rd positive integer $n$ such that no factorial of an integer can end with $n$ zeroes.