1,670,565

3 × 5 × 13² × 659

Prime Factor Structure

Factorization String 3 × 5 × 13^2 × 659

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 24

Divisor Sum (σ) 2,898,720

Proper Divisor Sum 1,228,155

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #1670563 ← → #1670567

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

1,670,565 5,011,696 2,505,848 1,252,924 626,462 313,231 939,694 469,847 1,409,542 704,771 2,114,314 1,057,157 3,171,472 1,585,736 792,868 396,434 198,217 594,652 297,326 148,663 445,990 222,995 668,986 334,493 1,003,480 501,740 250,870 125,435 376,306 188,153 564,460 282,230 141,115 423,346 211,673 635,020 317,510 158,755 476,266 238,133 714,400 357,200 178,600 89,300 44,650 22,325 66,976 33,488 16,744 8,372 4,186 2,093 6,280 3,140 1,570 785 2,356 1,178 589 1,768

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