2² × 3² × 21911

Prime Factor Structure

Factorization String 2^2 × 3^2 × 21911

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 1,993,992

Proper Divisor Sum 1,205,196

Digit Sum / Digital Root 45 (Root: 9)

Adjacent Primes #788789 ← → #788813

1 2 3 4 6 9 12 18 36 21,911 43,822 65,733 87,644 131,466 197,199 262,932 394,398 788,796

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

788,796 394,398 197,199 591,598 295,799 887,398 443,699 1,331,098 665,549 1,996,648 998,324 499,162 249,581 748,744 374,372 187,186 93,593 280,780 140,390 70,195 210,586 105,293 315,880 157,940 78,970 39,485 118,456 59,228 29,614 14,807 44,422 22,211 66,634 33,317 99,952 49,976 24,988 12,494 6,247 18,742 9,371 28,114 14,057 42,172 21,086 10,543 31,630 15,815 47,446 23,723 71,170 35,585 106,756 53,378 26,689 80,068 40,034 20,017 60,052 30,026

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