Library›Mental Squares›One card

A LITTLE SOMETHING WORTH KNOWING

A small discovery. Yours to pass on.

Math & LogicOne small ahaSquare

129²

Think it. Then flip it. ahamoraTap to reveal Back to the cue
Math & LogicOne small aha
Your new aha16641

129² means 129 × 129, which is 16641. The exponent tells you how many copies to multiply. Source: Square (algebra) ↗

ahamoraReference ↗

Keep the thread going

One answer is a beginning.

Share a little curiosity, or follow it into the full collection.

Flip the full deck →

More from Mental Squares

A few more worth knowing.

  1. 130130²RECALL
    16900

    130 × 130

    Open this card ↗
  2. 131131²RECALL
    17161

    131 × 131

    Open this card ↗
  3. 132132²RECALL
    17424

    132 × 132

    Open this card ↗