2 × 3² × 7 × 13 × 239

Prime Factor Structure

Factorization String 2 × 3^2 × 7 × 13 × 239

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 48

Divisor Sum (σ) 1,048,320

Proper Divisor Sum 656,838

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #391453 ← → #391487

1 2 3 6 7 9 13 14 18 21 26 39 42 63 78 91 117 126 182 234 239 273 478 546 717 819 1,434 1,638 1,673 2,151 3,107 3,346 4,302 5,019 6,214 9,321 10,038 15,057 18,642 21,749 27,963 30,114 43,498 55,926 65,247 130,494 195,741 391,482

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

391,482 195,741 587,224 293,612 146,806 73,403 220,210 110,105 330,316 165,158 82,579 247,738 123,869 371,608 185,804 92,902 46,451 139,354 69,677 209,032 104,516 52,258 26,129 78,388 39,194 19,597 58,792 29,396 14,698 7,349 22,048 11,024 5,512 2,756 1,378 689 2,068 1,034 517 1,552 776 388 194 97 292 146 73 220 110 55 166 83 250 125 376 188 94 47 142 71

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