5777

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Number

$5777$ (five thousand, seven hundred and seventy-seven) is:

$53 \times 109$

The $9$th Stern number after $1$, $3$, $17$, $137$, $227$, $977$, $1187$, $1493$

The smaller of the only two known composite Stern numbers, with $5993$

Also see

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Sources

• 1986: David Wells: Curious and Interesting Numbers ... (previous) ... (next): $5777$
• 1997: David Wells: Curious and Interesting Numbers (2nd ed.) ... (previous) ... (next): $5777$