164

164 = 2 × 2 × 41

164 = 1 + 23 + 4 + 5 + 6 × 7 + 89

164 = 9 × 8 + 76 + 5 + 4 + 3 × 2 + 1

164 = 0^7 + 1^8 + 2^1 − 3^9 + 4^5 + 5^6 + 6^0 + 7^4 + 8^2 + 9^3

164 = 8^2 + 10^2

164 divides 81^2 - 1.

164 = (1 + 1) × ((11 − 1 − 1)⁽¹⁺¹⁾ + 1)

164 = 2 × (2 + 2/2)⁽²⁺²⁾ + 2

164 = (3 + 3) × 3³ + 3 − 3/3

164 = 4 × (44 − 4) + 4

164 = 55 × 5 − 555/5

164 = 6 × 6 + ((6 + 6)/6)^(6+6/6)

164 = 77 + 77 + (77 − 7)/7

164 = 88 + 88 − (88 + 8)/8

164 = 9 × (9 + 9) + (9 + 9)/9

e^(π sqrt(164))≈296853791705948489.0027 is a near-integer.

Numbers k such that k^4 + 1 is prime.

Numbers k such that k^2 divides 9^k - 1

The ring of integers of the field Q(sqrt(-164)) has class number 8

Factors: 1, 2, 4, 41, 82, 164

Representations, Binary to Hexadecimal:

10100100_2
20002_3
2210_4
1124_5
432_6
323_7
244_8
202_9
13a_11
118_12
c8_13
ba_14
ae_15
a4_16

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