3,977,675

5² × 13 × 12239

Prime Factor Structure

Factorization String 5^2 × 13 × 12239

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Total Divisors 12

Divisor Sum (σ) 5,312,160

Proper Divisor Sum 1,334,485

Digit Sum / Digital Root 44 (Root: 8)

Adjacent Primes #3977663 ← → #3977681

1 5 13 25 65 325 12,239 61,195 159,107 305,975 795,535 3,977,675

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

3,977,675 11,933,026 5,966,513 17,899,540 8,949,770 4,474,885 13,424,656 6,712,328 3,356,164 1,678,082 839,041 2,517,124 1,258,562 629,281 1,887,844 943,922 471,961 1,415,884 707,942 353,971 1,061,914 530,957 1,592,872 796,436 398,218 199,109 597,328 298,664 149,332 74,666 37,333 112,000 56,000 28,000 14,000 7,000 3,500 1,750 875 2,626 1,313 3,940 1,970 985 2,956 1,478 739 2,218 1,109 3,328 1,664 832 416 208 104 52 26 13 40 20

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