1,720,002

2 × 3 × 439 × 653

Prime Factor Structure

Factorization String 2 × 3 × 439 × 653

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Total Divisors 16

Divisor Sum (σ) 3,453,120

Proper Divisor Sum 1,733,118

Digit Sum / Digital Root 12 (Root: 3)

Adjacent Primes #1719989 ← → #1720003

1 2 3 6 439 653 878 1,306 1,317 1,959 2,634 3,918 286,667 573,334 860,001 1,720,002

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

1,720,002 860,001 2,580,004 1,290,002 645,001 1,935,004 967,502 483,751 1,451,254 725,627 2,176,882 1,088,441 3,265,324 1,632,662 816,331 2,448,994 1,224,497 3,673,492 1,836,746 918,373 2,755,120 1,377,560 688,780 344,390 172,195 516,586 258,293 774,880 387,440 193,720 96,860 48,430 24,215 72,646 36,323 108,970 54,485 163,456 81,728 40,864 20,432 10,216 5,108 2,554 1,277 3,832 1,916 958 479 1,438 719 2,158 1,079 3,238 1,619 4,858 2,429 7,288 3,644 1,822

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