Σ
Unicode U+03A3 — Greek and Coptic
Click the character to copy it.
Character: U+03A3
Decimal: 931
HTML Entity: Σ
Block: Greek and Coptic
Click the character to copy it.
Character: U+03A3
Decimal: 931
HTML Entity: Σ
Block: Greek and Coptic
Universal character encoding standard.
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✅ unicodechar.world · Updated: 2026-06-20