10
I would call an odd number factor a factor that is an odd number. I would call a number with an odd number of factors a perfect square.
a perfect square
HV6432.7.W462002 Library of Congress website, if you would like to check>
A perfect square
Perfect Square
a perfect square
Pythagoras was an ancient Greek famous for establishing what we call the "Pythagorean Theorem" (a squared + b squared = c squared)
Bowling 12 strikes in a row and getting a perfect game of 300.
what do greeks call their perfect man
perfect
You would call it million.
a call number is the number on books in librarys for example: 92 B witch that would be a biography.