2² × 7 × 18617

Prime Factor Structure

Factorization String 2^2 × 7 × 18617

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 1,042,608

Proper Divisor Sum 521,332

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #521267 ← → #521281

1 2 4 7 14 28 18,617 37,234 74,468 130,319 260,638 521,276

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

521,276 260,638 130,319 390,958 195,479 586,438 293,219 879,658 439,829 1,319,488 659,744 329,872 164,936 82,468 41,234 20,617 61,852 30,926 15,463 46,390 23,195 69,586 34,793 104,380 52,190 26,095 78,286 39,143 117,430 58,715 176,146 88,073 264,220 132,110 66,055 198,166 99,083 297,250 148,625 445,876 222,938 111,469 334,408 167,204 83,602 41,801 125,404 62,702 31,351 94,054 47,027 141,082 70,541 211,624 105,812 52,906 26,453 79,360 39,680 19,840

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