A075130 Primes with decimal representation 140{{0}10{9}89}.

140001089, 1401099989, 14000109989, 140108910989, 1401089109989, 14001089001089, 14010890109989, 140000010891089, 140000109999989, 140010890010989, 140010989001089, 140010989109989, 140108900109989

Offset: 1

Author

Jens Kruse Andersen, Sep 04 2002

Keywords

• base
• nonn

Comments

57 times one of these primes is a picture-perfect number (see A075131).

Examples

			a(4)=140108910989 because this is the 4th prime of the required form.
		

Links

• Sean A. Irvine, Table of n, a(n) for n = 1..1000
• Discussion forum, Systematic Undertaking to Find Picture-Perfect Numbers
• Joseph Pe, Picture-Perfect Numbers and Other Digit-Reversal Diversions
• Rulthan P. Sumicad, On the Picture-Perfect Number, J. Math. Stat. Studies (2023).

Crossrefs

A075131(n)=57*a(n)

Cf. A075131, A069942.