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Why some pre-modern societies developed base-2, base-12, or base-20 numbering systems, instead of base-10?

Sarah Jenkins
Sarah Jenkins
Lead Content Curator · Jan 4, 2026 · Updated Apr 13, 2026

Actually, 10 based system doesn't have any advantages. The only reason we use it is because we have 10 fingers. 2 based system is very comfortable for computing.

51
Words

1 min
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#303
of 500 in Science

-29%
vs Category Avg

The Short Answer

Actually, 10 based system doesn't have any advantages. The only reason we use it is because we have 10 fingers. 2 based system is very comfortable for computing. 12 based system is comfortable because 12 can be divided by 2, 3, 4 and 6. About cycling – it is in any system. If you add 10 hex to 4 you get 14 hex.

Analysis

Key Concepts: System, based, comfortable

This explanation focuses on system, based, comfortable and spans 51 words across 6 sentences. At 29% below the average Science explanation (72 words), the answer takes a direct, no-frills approach — sometimes the simplest explanation is the most effective.

What This Answer Covers

The explanation opens with: “Actually, 10 based system doesn't have any advantages.” It then elaborates by explaining the root cause, ultimately building toward a complete picture across 6 connected points.

How This Compares in Science

Ranked #303 of 500 Science questions by answer depth (top 61%). This is in the concise tier — a focused explanation that prioritizes clarity over exhaustiveness. Many readers prefer this level of directness.

Frequently Asked Questions

Is there a simple explanation for why why some pre-modern societies developed base-2, base-12, or base-20 numbering systems, instead of base-10?

Actually, 10 based system doesn't have any advantages. The only reason we use it is because we have 10 fingers. 2 based system is very comfortable for computing. 12 based system is comfortable because 12 can be divided by 2, 3, 4 and 6. About…

How detailed is this explanation compared to similar Science questions?

This is a focused answer at 51 words, ranked #303 of 500 Science questions by depth. The key concepts covered are system, based, comfortable.

What approach does this answer take to explain why some pre-modern societies developed base-2, base-12, or ?

The explanation uses root cause analysis across 51 words. It is categorized under Science and addresses the question through 1 analytical lens.