A230202 Primes that end in 999.

1999, 2999, 4999, 8999, 13999, 25999, 32999, 35999, 41999, 49999, 52999, 56999, 59999, 70999, 71999, 73999, 77999, 79999, 85999, 94999, 98999, 100999, 101999, 104999, 107999, 133999, 134999, 136999, 137999, 139999, 143999, 157999, 161999, 164999, 172999, 179999

Offset: 1

Author

Arkadiusz Wesolowski, Oct 11 2013

Keywords

• nonn
• base

Comments

37 does not divide a(n) - 999 for any n because 37 divides 999 and a(n) is prime. The sequence is infinite.

References

• Joseph B. Dence and Thomas P. Dence, Elements of the Theory of Numbers, Academic Press, San Diego, 1999, p. 35.

Crossrefs

Subsequence of A167292.

Programs

Magma

[p : p in PrimesUpTo(18*10^4) | p mod 1000 eq 999];

Magma

[n : n in [999..18*10^4 by 1000] | IsPrime(n)];