A106724 Largest of eight consecutive primes whose sum of digits is prime.

3307, 4447, 14369, 14387, 27143, 106187, 200171, 200177, 210101, 210109, 550063, 710641, 710663, 799949, 799961, 851197, 851203, 1045117, 1063441, 1101169, 1102117, 1104203, 1104209, 1133621, 1133623, 1245421, 1245449, 1436089

Offset

1,1

Links

Table of n, a(n) for n=1..28.

Example

a(1)=3307 is a term because this is Largest of eight consecutive primes i.e. 3251,3253,3257,3259,3271,3299,3301 and 3307, whose sum of digits is prime i.e. 3+2+5+1=11, 3+2+5+3=13, 3+2+5+7=17, 3+2+5+9=19, 3+2+7+1=13, 3+2+9+9=23,3+3+0+1=7 and 3+3+0+7=13.

Crossrefs

Sequence in context: A106721 A078969 A320717 * A239671 A181559 A180679

Adjacent sequences: A106721 A106722 A106723 * A106725 A106726 A106727

Keyword

base,nonn

Author

Shyam Sunder Gupta, May 14 2005

Status

approved