720,579

3 × 17 × 71 × 199

Prime Factor Structure

Factorization String 3 × 17 × 71 × 199

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 16

Divisor Sum (σ) 1,036,800

Proper Divisor Sum 316,221

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #720571 ← → #720607

1 3 17 51 71 199 213 597 1,207 3,383 3,621 10,149 14,129 42,387 240,193 720,579

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

720,579 2,161,738 1,080,869 3,242,608 1,621,304 810,652 405,326 202,663 607,990 303,995 911,986 455,993 1,367,980 683,990 341,995 1,025,986 512,993 1,538,980 769,490 384,745 1,154,236 577,118 288,559 865,678 432,839 1,298,518 649,259 1,947,778 973,889 2,921,668 1,460,834 730,417 2,191,252 1,095,626 547,813 1,643,440 821,720 410,860 205,430 102,715 308,146 154,073 462,220 231,110 115,555 346,666 173,333 520,000 260,000 130,000 65,000 32,500 16,250 8,125 24,376 12,188 6,094 3,047 9,142 4,571

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