3² × 13² × 53

Prime Factor Structure

Factorization String 3^2 × 13^2 × 53

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 128,466

Proper Divisor Sum 47,853

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #80611 ← → #80621

1 3 9 13 39 53 117 159 169 477 507 689 1,521 2,067 6,201 8,957 26,871 80,613

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

80,613 241,840 120,920 60,460 30,230 15,115 45,346 22,673 68,020 34,010 17,005 51,016 25,508 12,754 6,377 19,132 9,566 4,783 14,350 7,175 21,526 10,763 32,290 16,145 48,436 24,218 12,109 36,328 18,164 9,082 4,541 13,624 6,812 3,406 1,703 5,110 2,555 7,666 3,833 11,500 5,750 2,875 8,626 4,313 12,940 6,470 3,235 9,706 4,853 14,560 7,280 3,640 1,820 910 455 1,366 683 2,050 1,025 3,076

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