Big Number Duel - CreationIsntGood vs Mikey

Rules
Start off small, work your way up.
 * No saying stuff like “infinity”
 * No saying stuff like “the previous number plus one”

Mikey’s Entry 1: 500

Creation's Entry: 1,500

Mikey’s Entry 2: 15! + 0 + 0 (I don’t mean thaaaat slow)

Creation's Entry 2: 15,000,000,000,000

Mikey’s Entry 3: 15^100,000,000,000