81128632
domain: N
Appears in sequences
- Sociable numbers: smallest member of each cycle (conjectured).at n=11A003416
- Smallest member of sociable quadruples.at n=9A090615
- Smallest member of sociable quadruples with signature: abundant, abundant, deficient, deficient.at n=6A222975
- Conjectured list of numbers in increasing order that belong to sociable cycles of length greater than 2 in which the sum of the cycle is divisible by 10.at n=16A292217
- Smallest member of bi-unitary sociable quadruples.at n=19A319915
- Smallest members of infinitary sociable quadruples.at n=17A361811