2² × 7² × 3499

Prime Factor Structure

Factorization String 2^2 × 7^2 × 3499

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 1,396,500

Proper Divisor Sum 710,696

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #685793 ← → #685819

1 2 4 7 14 28 49 98 196 3,499 6,998 13,996 24,493 48,986 97,972 171,451 342,902 685,804

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

685,804 342,902 171,451 514,354 257,177 771,532 385,766 192,883 578,650 289,325 867,976 433,988 216,994 108,497 325,492 162,746 81,373 244,120 122,060 61,030 30,515 91,546 45,773 137,320 68,660 34,330 17,165 51,496 25,748 12,874 6,437 19,312 9,656 4,828 2,414 1,207 3,622 1,811 5,434 2,717 8,152 4,076 2,038 1,019 3,058 1,529 4,588 2,294 1,147 3,442 1,721 5,164 2,582 1,291 3,874 1,937 5,812 2,906 1,453 4,360

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