811

Previous  ... Next

Number

$811$ (eight hundred and eleven) is:

The $141$st prime number.

The smaller of the $14$th pair of primes whose prime gap is $10$:

$821 - 811 = 10$

The larger of the $31$st pair of twin primes:

$811 - 809 = 2$

The $36$th near-repdigit prime after $101$, $113$, $131$, $151$, $\ldots$, $727$, $733$, $757$, $773$, $787$, $797$

The $49$th long period prime after $7$, $17$, $19$, $23$, $29$, $\ldots$, $701$, $709$, $727$, $743$

Also see

• Previous  ... Next: Long Period Prime

• Previous  ... Next: Prime Gaps of 10
• Previous  ... Next: Near-Repdigit Prime

• Previous  ... Next: Prime Number
• Previous  ... Next: Twin Primes