9091

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Number

$9091$ (nine thousand and ninety-one) is:

The $1128$th prime number

The $5$th unique period prime after $3$, $11$, $37$, $101$: its period is $10$:

$\dfrac 1 {9091} = 0 \cdotp \dot 00010 \, 9998 \dot 9$

Also see

• Reciprocal of 9091

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