four, 4, IV, tetrad, quatern, quaternion, quaternary, quaternity, quartet, quadruplet, foursome, Little Joe

4

4

four

four

1 B2, 1B2, 2**2, 2^2, 2², 4., \x34, ASCII 52, Brahmin cross, four, IV (number), number 4, tetrad (symbol), ٤, ۴, ߄, ४, ৪, ੪, ૪, ୪, ௪, ౪, ೪, ൪, ໔, ༤, ၄, ႔, ៤, ᥊, ④, ⑷, ⒋, ⓸, ❹, ➃, ➍, ꣔, ꧔, ꩔, 𐒤, 🄅, ４

1*4, 2*2, 4*1, 4º, Anthem, four, IV, number 4, number four, the number 4, ৪, ๔, ₄, ⅳ, Ⅳ, ④, ⑷, ⒋, ⓸, ❹, ➃, ➍, 🄅, 4 (number)