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3 (number) facts for kids

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← 2 3 4 →
−1 0 1 2 3 4 5 6 7 8 9
Cardinal three
Ordinal 3rd
(third)
Numeral system ternary
Factorization prime
Divisors 1, 3
Greek numeral Γ´
Roman numeral III
Roman numeral (unicode) Ⅲ, ⅲ
Greek prefix tri-
Latin prefix tre-/ter-
Binary 112
Ternary 103
Senary 36
Octal 38
Duodecimal 312
Hexadecimal 316
Arabic ٣,3
Urdu
Bengali
Chinese 三,弎,叁
Devanāgarī
Ge'ez
Greek γ (or Γ)
Hebrew ג
Japanese
Khmer
Korean 셋,삼
Malayalam
Tamil
Telugu
Thai

The number three (3) is one more than two and one less than four. It is the first Mersenne prime. Three is an important number for many cultures (groups of people living together). It is also a prime number. It is the first odd prime. In Roman numerals, it is III.

Famous threes

See also

Kids robot.svg In Spanish: Tres para niños

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3 (number) Facts for Kids. Kiddle Encyclopedia.