A107109 n-th largest n-digit prime.

7, 89, 983, 9941, 99929, 999931, 9999929, 99999827, 999999739, 9999999769, 99999999763, 999999999697, 9999999999443, 99999999999503, 999999999999353, 9999999999999431, 99999999999999251, 999999999999999463, 9999999999999999343, 99999999999999999199

Offset: 1

Author

Zak Seidov, May 12 2005

Keywords

• nonn
• base

Comments

Cf. A069100: n-th smallest n-digit prime.

Links

• Eduard Roure Perdices, Table of n, a(n) for n = 1..1000

Crossrefs

Cf. A069100.

Programs

Mathematica

Table[Prime[PrimePi[10^n]-n+1], {n, 13}]
a[n_] := NextPrime[10^n, -n]; (* Eduard Roure Perdices, May 09 2021 *)

Formula

a(n) = prime[pi[10^n]-n+1]

Extensions

Extended by Eduard Roure Perdices, May 09 2021