168

168 = 2 × 2 × 2 × 3 × 7

168 = 1 + 2 + 3 × 45 + 6 + 7 + 8 + 9

168 = 9 × 8 + 76 + 5 + 4 × 3 + 2 + 1

168 = 0^7 + 1^8 + 2^0 − 3^9 + 4^5 + 5^6 + 6^1 + 7^4 + 8^2 + 9^3

168 = 2^2 + 8^2 + 10^2

168 = (11 + 1 + 1)⁽¹⁺¹⁾ − 1

168 = 2 × 2 × (2 × 22 − 2)

168 = (3 + 3) × 3³ + 3 + 3

168 = 4 × 44 − 4 − 4

168 = 55 + (555 + 5 + 5)/5

168 = 66 + 6 × 6 + 66

168 = 77 + 77 + 7 + 7

168 = 88 + 88 − 8

168 = 9 × (9 + 9) + 9 − (9 + 9 + 9)/9

2^168 = 374144419156711147060143317175368453031918731001856 does not contain the digit 2

Number of primes < 10^3

Numbers k such that (35*10^k - 11)/3 is prime

Number k for which k!/9 + 1 is Prime, 168!/9 + 1

The ring of integers of the field Q(sqrt(-168)) has class number 4

Factors: 1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168

One hundred sixty-eight

Representations, Binary to Hexadecimal:

10101000_2
20020_3
2220_4
1133_5
440_6
330_7
250_8
206_9
143_11
120_12
cc_13
c0_14
b3_15
a8_16

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