What is the average number memory span?

Miller's Law suggests the average person can hold 7 ± 2 items in working memory. For digit sequences specifically, most adults score between 6 and 8 digits forward.

What does Number Memory test?

Number Memory tests verbal working memory span — how many items your short-term memory can hold and manipulate at once. It is similar to the Digit Span subtest used in IQ assessments.

Can you increase your digit span?

Yes, through chunking (grouping digits into meaningful patterns) and consistent practice. Expert mnemonists use number-shape or number-sound systems to extend their span dramatically.

Is Number Memory free?

Yes, completely free with no account required.

Number Memory · MindPlay

Level 4 digitsBest —

Memorize this number

12345

How to play

1. A number appears briefly — memorize every digit.

2. Type it back exactly using the keypad.

3. Each correct answer adds one more digit. How far can you go?

easy

1s/digit · starts 3

medium

0.7s/digit · starts 4

hard

0.5s/digit · starts 5

All-time stats

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hardbest —