166

166 = 2 × 83

166 = 1 × 2 × 34 + 5 + 6 + 78 + 9

166 = 98 + 7 × 6 + 5 × 4 + 3 + 2 + 1

166 = 0^4 + 1^8 + 2^6 − 3^9 + 4^7 + 5^5 + 6^3 + 7^2 + 8^0 + 9^1

166 = 11 × (11 + 1 + 1 + 1 + 1) + 1

166 = 2 × ((2 + 2/2)⁽²⁺²⁾ + 2)

166 = (3 + 3) × 3³ + 3 + 3/3

166 = 4 × 44 − (44 − 4)/4

166 = 55 + 555/5

166 = 66 + 6 × 6 + ((6 + 6)/6)⁶

166 = 7 × 7 + 7 + (777 − 7)/7

166 = 88 + 88 − 8 − (8 + 8)/8

166 = (9 + 9)/9 × (9 × 9 + (9 + 9)/9)

Number k such that k! - 1 is Prime

Numbers k such that (8*10^k + 49)/3 is prime.

Factors: 1, 2, 83, 166

One hundred sixty-six

Representations, Binary to Hexadecimal:

10100110_2
20011_3
2212_4
1131_5
434_6
325_7
246_8
204_9
141_11
11a_12
ca_13
bc_14
b1_15
a6_16

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