2 × 3² × 7 × 19 × 277

Prime Factor Structure

Factorization String 2 × 3^2 × 7 × 19 × 277

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 48

Divisor Sum (σ) 1,734,720

Proper Divisor Sum 1,071,582

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #663127 ← → #663149

1 2 3 6 7 9 14 18 19 21 38 42 57 63 114 126 133 171 266 277 342 399 554 798 831 1,197 1,662 1,939 2,394 2,493 3,878 4,986 5,263 5,817 10,526 11,634 15,789 17,451 31,578 34,902 36,841 47,367 73,682 94,734 110,523 221,046 331,569 663,138

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

663,138 331,569 994,708 497,354 248,677 746,032 373,016 186,508 93,254 46,627 139,882 69,941 209,824 104,912 52,456 26,228 13,114 6,557 19,672 9,836 4,918 2,459 7,378 3,689 11,068 5,534 2,767 8,302 4,151 12,454 6,227 18,682 9,341 28,024 14,012 7,006 3,503 10,510 5,255 15,766 7,883 23,650 11,825 35,476 17,738 8,869 26,608 13,304 6,652 3,326 1,663 4,990 2,495 7,486 3,743 11,230 5,615 16,846 8,423 25,270

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