44020

Appears in sequences

• McKay-Thompson series of class 30B for the Monster group with a(0) = 0.at n=42A058613
• a(n) = the smallest multiple of the n-th prime such that (a(n)-1) is divisible by both the (n-1)th prime and the (n+1)st prime.at n=18A143244
• Even numbers such that the sum of the even divisors and the sum of the odd divisors are a square or a cube.at n=33A263695
• Numbers with property that both the digit sum and the sum of the prime factors (counted with multiplicity) have only digits 0 and 1 in base 10.at n=24A297614
• Numbers k such that sigma(k) = psi(k) + tau(k)^3.at n=17A390297