3² × 5 × 29 × 157

Prime Factor Structure

Factorization String 3^2 × 5 × 29 × 157

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 369,720

Proper Divisor Sum 164,835

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #204871 ← → #204887

1 3 5 9 15 29 45 87 145 157 261 435 471 785 1,305 1,413 2,355 4,553 7,065 13,659 22,765 40,977 68,295 204,885

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

204,885 614,656 307,328 153,664 76,832 38,416 19,208 9,604 4,802 2,401 7,204 3,602 1,801 5,404 2,702 1,351 4,054 2,027 6,082 3,041 9,124 4,562 2,281 6,844 3,422 1,711 5,134 2,567 7,702 3,851 11,554 5,777 17,332 8,666 4,333 13,000 6,500 3,250 1,625 4,876 2,438 1,219 3,658 1,829 5,488 2,744 1,372 686 343 1,030 515 1,546 773 2,320 1,160 580 290 145 436 218

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