1,665,560

2³ × 5 × 13 × 3203

Prime Factor Structure

Factorization String 2^3 × 5 × 13 × 3203

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Total Divisors 32

Divisor Sum (σ) 4,037,040

Proper Divisor Sum 2,371,480

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #1665533 ← → #1665563

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

1,665,560 832,780 416,390 208,195 624,586 312,293 936,880 468,440 234,220 117,110 58,555 175,666 87,833 263,500 131,750 65,875 197,626 98,813 296,440 148,220 74,110 37,055 111,166 55,583 166,750 83,375 250,126 125,063 375,190 187,595 562,786 281,393 844,180 422,090 211,045 633,136 316,568 158,284 79,142 39,571 118,714 59,357 178,072 89,036 44,518 22,259 66,778 33,389 100,168 50,084 25,042 12,521 37,564 18,782 9,391 28,174 14,087 42,262 21,131 63,394

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