28158165

Appears in sequences

• Sociable numbers: smallest member of each cycle (conjectured).at n=9A003416
• Infinitary sociable numbers (smallest member of cycle).at n=20A004607
• Smallest member of sociable quadruples.at n=7A090615
• Smallest member of sociable quadruples that follow W. Borho's construction rule.at n=0A214134
• Smallest member of sociable quadruples with signature: abundant, abundant, deficient, deficient.at n=5A222975
• 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=11A292217
• Smallest member of bi-unitary sociable quadruples.at n=16A319915
• Smallest members of infinitary sociable quadruples.at n=12A361811