counting thread #57

54

(5+5+5/5)*5

55+5/5

(√1089)+24

4! + 4! + 4/.4

69-69/6.9

60

61

(63-(cos²x+sin²x)) ÷ (1×(cos²x+sin²x))

the natural number seven multiplied by the natural number nine

one stack

1⁵ + 2⁴ + 3³ + 4² + 5¹

99 & 78

67

17 << 2

sixty-nine

you may now begin your uproarious laughter

the number of ways to choose 4 objects out of 8 if order does not matter (source: wikipedia)

ℙ[19]

the smallest Achilles number

1.62e2106.

202₆

1001011

the first integer n such that there exists an integer m where n = 76.

x*B^(y-1)/(B-1) where x = 7, y = 2, B = 10

78

79