681,671

71 × 9601

Prime Factor Structure

Factorization String 71 × 9601

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Total Divisors 4

Divisor Sum (σ) 691,344

Proper Divisor Sum 9,673

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #681647 ← → #681673

1 71 9,601 681,671

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

681,671 2,045,014 1,022,507 3,067,522 1,533,761 4,601,284 2,300,642 1,150,321 3,450,964 1,725,482 862,741 2,588,224 1,294,112 647,056 323,528 161,764 80,882 40,441 121,324 60,662 30,331 90,994 45,497 136,492 68,246 34,123 102,370 51,185 153,556 76,778 38,389 115,168 57,584 28,792 14,396 7,198 3,599 10,798 5,399 16,198 8,099 24,298 12,149 36,448 18,224 9,112 4,556 2,278 1,139 3,418 1,709 5,128 2,564 1,282 641 1,924 962 481 1,444 722

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