Number Memory Test

The number memory test shows a number for a few seconds, then asks you to type it from memory. Each correct answer adds another digit. It measures your digit span.

Play Number Memory

Tips for remembering numbers

Group digits into pairs or trios, say them in your head rhythmically, and don't rush your recall — accuracy beats speed here.

FAQ

What's the average number memory?

Most people recall around 7 digits; our test lets you find your exact limit.

Why does the number disappear?

You get a short viewing window that scales with length — then it's all memory.

Is 12 digits good?

Yes, remembering 12+ digits is excellent on this test.

ReactionLab brain games are for benchmarking and fun. They are not medical, neurological, or IQ assessments.