688,798

2 × 11 × 131 × 239

Prime Factor Structure

Factorization String 2 × 11 × 131 × 239

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 16

Divisor Sum (σ) 1,140,480

Proper Divisor Sum 451,682

Digit Sum / Digital Root 46 (Root: 1)

Adjacent Primes #688783 ← → #688799

1 2 11 22 131 239 262 478 1,441 2,629 2,882 5,258 31,309 62,618 344,399 688,798

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

688,798 344,399 1,033,198 516,599 1,549,798 774,899 2,324,698 1,162,349 3,487,048 1,743,524 871,762 435,881 1,307,644 653,822 326,911 980,734 490,367 1,471,102 735,551 2,206,654 1,103,327 3,309,982 1,654,991 4,964,974 2,482,487 7,447,462 3,723,731 11,171,194 5,585,597 16,756,792 8,378,396 4,189,198 2,094,599 6,283,798 3,141,899 9,425,698 4,712,849 14,138,548 7,069,274 3,534,637 10,603,912 5,301,956 2,650,978 1,325,489 3,976,468 1,988,234 994,117 2,982,352 1,491,176 745,588 372,794 186,397 559,192 279,596 139,798 69,899 209,698 104,849 314,548 157,274

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