3 × 5⁴ × 11 × 19

Prime Factor Structure

Factorization String 3 × 5^4 × 11 × 19

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 40

Divisor Sum (σ) 749,760

Proper Divisor Sum 357,885

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #391873 ← → #391879

1 3 5 11 15 19 25 33 55 57 75 95 125 165 209 275 285 375 475 625 627 825 1,045 1,375 1,425 1,875 2,375 3,135 4,125 5,225 6,875 7,125 11,875 15,675 20,625 26,125 35,625 78,375 130,625 391,875

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

391,875 1,175,626 587,813 1,763,440 881,720 440,860 220,430 110,215 330,646 165,323 495,970 247,985 743,956 371,978 185,989 557,968 278,984 139,492 69,746 34,873 104,620 52,310 26,155 78,466 39,233 117,700 58,850 29,425 88,276 44,138 22,069 66,208 33,104 16,552 8,276 4,138 2,069 6,208 3,104 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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