587

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Number

$587$ (five hundred and eighty-seven) is:

The $107$th prime number

The $1$st of a sequence of $11$ primes formed by tripling and adding $16$.

The larger of the $9$th pair of primes whose prime gap is $10$:

$587 - 577 = 10$

The $20$th safe prime after $5$, $7$, $11$, $23$, $47$, $59$, $83$, $107$, $167$, $179$, $227$, $263$, $347$, $359$, $383$, $467$, $479$, $503$, $563$:

$587 = 2 \times 293 + 1$

Also see

• Previous  ... Next: Safe Prime

• Previous  ... Next: Prime Number
• Previous  ... Next: Prime Gaps of 10

• Next: Sequence of 11 Primes by Trebling and Adding 16

Sources

• 1986: David Wells: Curious and Interesting Numbers ... (previous) ... (next): $587$
• 1997: David Wells: Curious and Interesting Numbers (2nd ed.) ... (previous) ... (next): $587$