LibraryMental SquaresOne card

A LITTLE SOMETHING WORTH KNOWING

A small discovery. Yours to pass on.

Math & LogicOne small ahaSquare

123²

Think it. Then flip it.
ahamoraTap to reveal
Back to the cue
Math & LogicOne small aha
Your new aha15129

123² means 123 × 123, which is 15129. 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. 124124²RECALL
    15376

    124 × 124

    Open this card ↗
  2. 125125²RECALL
    15625

    125 × 125

    Open this card ↗
  3. 126126²RECALL
    15876

    126 × 126

    Open this card ↗