131 is a Prime Number, Prime(32)
131 = 1 + 2 + 3 + 4 + 56 + 7 × 8 + 9
131 = 98 + 7 + 6 + 5 + 4 × 3 + 2 + 1
131 = 0^5 + 1^7 + 2^9 − 3^8 + 4^6 + 5^0 + 6^4 + 7^2 + 8^1 + 9^3
131 = 11 × (11 + 1) − 1
131 = 22 × (2 + 2 + 2) − 2/2
131 = 3 + 3 + (3 + 3 − 3/3)3
131 = 4 × 4 + 4 + 444/4
131 = 5 × 5 × 5 + 5 + 5/5
131 = 66 + 66 − 6/6
131 = 7 + 7 + 7 + (777 − 7)/7
131 = 8 × (8 + 8) − 8 + 88/8
131 = 9 + (999 + 99)/9
Sexy Prime (Primes p such that p + 6 is also prime)
Number k such that 8*10^k - 49 is prime
Prime of the form k^2 + k + 41
Sophie Germain prime p (List): 2p+1 is also prime (263)
131 is an irregular prime, since it divides the numerator of the Bernoulli number B22
Factors: 1, 131
One hundred thirty-one
Representations, Binary to Hexadecimal:
10000011_2
11212_3
2003_4
1011_5
335_6
245_7
203_8
155_9
10a_11
ab_12
a1_13
95_14
8b_15
83_16
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