class_docstr: Physical quantity: can be a unit of measure, a constant or a generic quantity.
class_docstr_tok: ["Physical","quantity",":","can","be","a","unit","of","measure",",","a","constant","or","a","generic","quantity","."]
docstr: Whether or not the quantity is prefixed. Eg. `kilogram` is prefixed, but `gram` is not.
docstr_tok: ["Whether","or","not","the","quantity","is","prefixed",".","Eg",".","`","kilogram","`","is","prefixed",",","but","`","gram","`","is","not","."]
code: def is_prefixed(self):
      """Whether or not the quantity is prefixed. Eg. `kilogram` is prefixed, but `gram` is not."""
      return self._is_prefixed
  
imports: from sympy.core.expr import AtomicExpr
  from sympy.core.symbol import Symbol
  from sympy.core.sympify import sympify
  from sympy.physics.units.dimensions import _QuantityMapper
  from sympy.physics.units.prefixes import Prefix
label_desc: Use image node_id 15 for calling the Quantity obj's underlying member method code with example usage: obj.is_prefixed() and returns: self