88

This number is a composite.

+ 88 + 91n is prime for n = 1 to 6. [Blanchette]

+ Palindromic strobogrammatic sum of the first Cunningham chain of the first kind (2, 5, 11, 23, 47). [Rock]

+ The following quotation about primes contains 88 letters: "The obvious mathematical breakthrough would be development of an easy way to factor large prime numbers." -- Bill Gates (1955- ). [Post]

+ There are 88 distinct-odd-digit primes. [Loungrides]

+ The sum of the first 88 emirps is 88 thousand. [Gaydos]

+ The third Honaker number equals the sum of the first two Honaker numbers (32 + 56). [Gaydos]

(There are 5 curios for this number that have not yet been approved by an editor.)

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