What Is the Next Number in the Series

question 111

Short Answer

What is the next number in the series?
109   97   85   73   61   __?__

---

Definitions:

Stroboscopic Motion

An optical illusion where discrete images appear to be moving due to rapid sequential presentation, similar to motion pictures.

Milliseconds

Units of time equal to one thousandth (1/1000) of a second, often used to measure very short time intervals.

Vertical Lines

Lines that run straight up and down, creating a sense of height and structure within a visual composition.

Shepard's Table Illusion

A visual illusion where two tables appear to be different shapes but are in fact identical; highlighting how context can influence perception.