ART

313 is a Prime Number. Prime(65)

313 = 12 + 34 × 5 + 6 × 7 + 89

313 = 9 × 8 + 76 + 54 × 3 + 2 + 1

313 = 0^7 + 1^8 + 2^5 − 3^9 + 4^2 + 5^6 + 6^3 + 7^0 + 8^4 + 9^1

313 = 12^2 + 13^2

Sum of 2 Squares

313^2 = 25^2 + 312^2

313 divides 98^3 - 1.

Wagstaff number: number k such that (2^k + 1)/3 is prime.

Prime p such that (p+1)/2 is prime.

Number k such that k^2+k+7 is a palindrome

Prime of the form k^2 + k + 41

Motzkin number (n = 8)

Minimal number of people to give a 50% probability of having at least 5 coincident birthdays in one year.

Number of Golomb rulers of length 18

Prime whose binary representation is also the decimal representation of a prime.

Factors: 1, 313

Three hundred thirteen

100111001_2
102121_3
10321_4
2223_5
1241_6
625_7
471_8
377_9
265_11
221_12
1b1_13
185_14
15d_15
139_16

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