57990

Appears in sequences

• Values of m such that N=(am+1)(bm+1)(cm+1) is a 3-Carmichael number (A087788), where a,b,c = 1,2,49.at n=3A064261
• Composite numbers n such that if x = sigma(n)-phi(n)-n then n = sigma(x)-phi(x)-x.at n=5A238225