3² × 5 × 7 × 17 × 73

Prime Factor Structure

Factorization String 3^2 × 5 × 7 × 17 × 73

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 48

Divisor Sum (σ) 831,168

Proper Divisor Sum 440,253

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #390893 ← → #390953

1 3 5 7 9 15 17 21 35 45 51 63 73 85 105 119 153 219 255 315 357 365 511 595 657 765 1,071 1,095 1,241 1,533 1,785 2,555 3,285 3,723 4,599 5,355 6,205 7,665 8,687 11,169 18,615 22,995 26,061 43,435 55,845 78,183 130,305 390,915

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

390,915 1,172,746 586,373 1,759,120 879,560 439,780 219,890 109,945 329,836 164,918 82,459 247,378 123,689 371,068 185,534 92,767 278,302 139,151 417,454 208,727 626,182 313,091 939,274 469,637 1,408,912 704,456 352,228 176,114 88,057 264,172 132,086 66,043 198,130 99,065 297,196 148,598 74,299 222,898 111,449 334,348 167,174 83,587 250,762 125,381 376,144 188,072 94,036 47,018 23,509 70,528 35,264 17,632 8,816 4,408 2,204 1,102 551 1,654 827 2,482

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