#math trivia for #April17: #108 equals 2^2 * 3^3. What’s the next number that can be expressed as a product of x^x terms (x > 1)?

— Burt Kaliski Jr. (@modulomathy) April 17, 2012

If a multi-term product is required, then the next number is 2^2 * 4^4, or 1024.

If “products” with just one term are allowed, then the next number is 4^4 or 256.