This is the numerator of Egyptian fractions and the number of sides of a Möbius strip.
This is the numerator of Egyptian fractions and the number of sides of a Möbius strip. It is   repeated in the Fibonacci sequence and any nonzero number raised to the zeroth power  equals (*) this value, the largest that the sine and cosine functions take. This number is the  multiplicative identity because it times any other number is the original number. For 10 points, name  this smallest positive integer.
This is the numerator of Egyptian fractions and the number of sides of a Möbius strip.
one (accept unity)