823547

Properties

Appears in sequences

• If decimal expansion of n is ab...d, a(n) = a^a + b^b +...+ d^d.at n=27A045503
• If decimal expansion of n is ab...d, a(n) = a^a + b^b + ... + d^d (ignoring any 0's).at n=27A045512
• Smallest prime > 7^n.at n=7A063767
• Numbers of the form a^a + b^b, a >= b > 0.at n=22A066846
• Primes of the form a^a + b^b where a and b are positive integers.at n=5A068145
• Smallest prime larger than n^n.at n=6A098682
• Primes of the form k^k + 4.at n=2A100840
• Primes of the form 7^k + 4.at n=5A104065
• Smallest prime >= 7^n.at n=7A104084
• Primes of the form p^2 + q^7 where p and q are primes.at n=1A122703
• Primes of the form a^a + b^b + c^c + d^d + e^e.at n=36A136292
• a(1)=2, a(n+1) is the smallest prime > n^smallest digit of a(n).at n=7A158061
• Primes of the form 7k^3+4.at n=7A201185
• Numbers of the form a^a + b^b, with a > b > 0.at n=16A218346
• Numbers of the form a^a + b^b, a>=b>=0.at n=30A218347
• a(n) = Sum_{p|n, p prime} p^p.at n=13A351366
• a(n) is the least prime > prime(n)^prime(n).at n=3A371347
• Numbers that can be written as s^x + t^y, with 1 < s < t and {s,t} = {x,y}; that is, are of the form s^s + t^t or s^t + t^s.at n=45A385232
• Numbers of the form x^x + y^y, 1 < x < y.at n=10A385614
• Prime numbersat n=65686