The number 312

Representation numerals

Greek numeral

τιβʹ

Arabic numeral

٣١٢

Roman numeral

CCCXII

Maya numeral

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Chinese numeral

三百一十二

Hebrew numeral

שיב
Numeral systems
Binary: 100111000
Septimal (base 7): 624
Octal: 470
Hexadecimal: 138
Base 24: D0
Factorization
312 = 2 × 2 × 2 × 3 × 13
312 has 16 divisors: 1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312
Sum of all divisors other than 312: 528
Sums & differences
Difference of 2 squares: 312 = 192 - 72 = 292 - 232 = 412 - 372 = 792 - 772
Goldbach conjecture: 312 = 307 + 5 = 293 + 19 = 283 + 29 = 281 + 31 = 271 + 41 = 269 + 43 = 251 + 61 = 241 + 71 = 239 + 73 = 233 + 79 = . . . (only the first 10 pairs are shown)
Characteristics
Related primes
The 312th prime number is: 2069
Previous prime number: 311 — Next prime number: 313
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