13² × 17 × 137

Prime Factor Structure

Factorization String 13^2 × 17 × 137

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 454,572

Proper Divisor Sum 60,971

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #393593 ← → #393611

1 13 17 137 169 221 1,781 2,329 2,873 23,153 30,277 393,601

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

393,601 1,180,804 590,402 295,201 885,604 442,802 221,401 664,204 332,102 166,051 498,154 249,077 747,232 373,616 186,808 93,404 46,702 23,351 70,054 35,027 105,082 52,541 157,624 78,812 39,406 19,703 59,110 29,555 88,666 44,333 133,000 66,500 33,250 16,625 49,876 24,938 12,469 37,408 18,704 9,352 4,676 2,338 1,169 3,508 1,754 877 2,632 1,316 658 329 988 494 247 742 371 1,114 557 1,672 836 418

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