1103

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Number

$1103$ (one thousand, one hundred and three) is:

The $185$th prime number

The $16$th balanced prime after $5$, $53$, $157$, $173$, $211$, $257$, $263$, $373$, $563$, $593$, $607$, $653$, $733$, $947$, $977$:

$1103 = \dfrac {1097 + 1109} 2$

The $42$nd Sophie Germain prime after $2$, $3$, $5$, $11$, $23$, $29$, $41$, $\ldots$, $761$, $809$, $911$, $953$, $1013$, $1019$, $1031$, $1049$:

$2 \times 1103 + 1 = 2207$, which is prime.

The $42$nd emirp after $13$, $17$, $31$, $37$, $\ldots$, $941$, $953$, $967$, $971$, $983$, $991$, $1009$, $1021$, $1031$, $1033$, $1061$, $1069$, $1091$, $1097$

Also see

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