197

197 is a Prime Number, Prime(45)

197 = 1 × 2 + 34 + 5 + 67 + 89

197 = 9 + 87 + 65 + 4 + 32 × 1

197 = 0^4 + 1^8 + 2^6 − 3^9 + 4^7 + 5^5 + 6^3 + 7^0 + 8^1 + 9^2

197 = 1^2 + 14^2

197^2 = 28^2 + 195^2

197 = (11 + 1 + 1 + 1)⁽¹⁺¹⁾ + 1

197 = (2⁽²⁺²⁾ − 2)² + 2/2

197 = 33 × (3 + 3) − 3/3

197 = 4⁴ + 4 − (4⁴ − 4)/4

197 = 5 + (5 + 5/5) × ((5 + 5)/5)⁵

197 = (66 × (6 + 6 + 6) − 6)/6

197 = (7 + 7) × (7 + 7) + 7/7

197 = 88 + (888 − 8 − 8)/8

197 = 99 + 99 − 9/9

197 divides 14^4 - 1.

Lesser of Twin Prime pair

Prime of the form k^2 + k + 41

Prime of form x^2+29*y^2.

Sum of the first n primes.

Number of points of norm <= 8^2 in square lattice

Super-Catalan number or little Schroeder number.

Keith number or Repfigit (Repetitive Fibonacci-like digit)

Factors: 1, 197

One hundred ninety-seven

Representations, Binary to Hexadecimal:

11000101_2
21022_3
3011_4
1242_5
525_6
401_7
305_8
238_9
16a_11
145_12
122_13
101_14
d2_15
c5_16

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