1,998,165

3 × 5 × 13 × 10247

Prime Factor Structure

Factorization String 3 × 5 × 13 × 10247

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 16

Divisor Sum (σ) 3,443,328

Proper Divisor Sum 1,445,163

Digit Sum / Digital Root 39 (Root: 3)

Adjacent Primes #1998133 ← → #1998169

1 3 5 13 15 39 65 195 10,247 30,741 51,235 133,211 153,705 399,633 666,055 1,998,165

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

1,998,165 5,994,496 2,997,248 1,498,624 749,312 374,656 187,328 93,664 46,832 23,416 11,708 5,854 2,927 8,782 4,391 13,174 6,587 19,762 9,881 29,644 14,822 7,411 22,234 11,117 33,352 16,676 8,338 4,169 12,508 6,254 3,127 9,382 4,691 14,074 7,037 21,112 10,556 5,278 2,639 7,918 3,959 11,878 5,939 17,818 8,909 26,728 13,364 6,682 3,341 10,024 5,012 2,506 1,253 3,760 1,880 940 470 235 706 353

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