235

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Number

$235$ (two hundred and thirty-five) is:

$5 \times 47$

The $10$th heptagonal number after $1$, $7$, $18$, $34$, $55$, $81$, $112$, $148$, $189$:

$235 = 1 + 7 + 11 + 16 + 21 + 26 + 31 + 36 + 41 + 46 = \dfrac {10 \left({5 \times 10 - 3}\right)} 2$

The $45$th lucky number:

$1$, $3$, $7$, $9$, $13$, $15$, $21$, $\ldots$, $193$, $195$, $201$, $205$, $211$, $219$, $223$, $231$, $235$, $\ldots$

The $46$th positive integer $n$ such that no factorial of an integer can end with $n$ zeroes.

Also see

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