688,329

3² × 76481

Prime Factor Structure

Factorization String 3^2 × 76481

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Total Divisors 6

Divisor Sum (σ) 994,266

Proper Divisor Sum 305,937

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #688309 ← → #688333

1 3 9 76,481 229,443 688,329

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

688,329 2,064,988 1,032,494 516,247 1,548,742 774,371 2,323,114 1,161,557 3,484,672 1,742,336 871,168 435,584 217,792 108,896 54,448 27,224 13,612 6,806 3,403 10,210 5,105 15,316 7,658 3,829 11,488 5,744 2,872 1,436 718 359 1,078 539 1,618 809 2,428 1,214 607 1,822 911 2,734 1,367 4,102 2,051 6,154 3,077 9,232 4,616 2,308 1,154 577 1,732 866 433 1,300 650 325 976 488 244 122

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