1107

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Number

$1107$ (one thousand, one hundred and seven) is:

$3^3 \times 41$


The $27$th second pentagonal number after $2$, $7$, $15$, $26$, $\ldots$, $610$, $672$, $737$, $805$, $876$, $950$, $1027$:
$1107 = \dfrac {27 \paren {3 \times 27 + 1} } 2$


The $54$th generalized pentagonal number after $1$, $2$, $5$, $7$, $12$, $15$, $\ldots$, $610$, $651$, $672$, $715$, $737$, $782$, $805$, $852$, $876$, $925$, $950$, $1001$, $1027$, $1080$:
$1107 = \dfrac {27 \paren {3 \times 27 + 1} } 2$


Also see