3² × 5 × 19 × 257

Prime Factor Structure

Factorization String 3^2 × 5 × 19 × 257

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 402,480

Proper Divisor Sum 182,745

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #219731 ← → #219749

1 3 5 9 15 19 45 57 95 171 257 285 771 855 1,285 2,313 3,855 4,883 11,565 14,649 24,415 43,947 73,245 219,735

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

219,735 659,206 329,603 988,810 494,405 1,483,216 741,608 370,804 185,402 92,701 278,104 139,052 69,526 34,763 104,290 52,145 156,436 78,218 39,109 117,328 58,664 29,332 14,666 7,333 22,000 11,000 5,500 2,750 1,375 4,126 2,063 6,190 3,095 9,286 4,643 13,930 6,965 20,896 10,448 5,224 2,612 1,306 653 1,960 980 490 245 736 368 184 92 46 23 70 35 106 53 160 80 40

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