4,472,013

3 × 7 × 13 × 16381

Prime Factor Structure

Factorization String 3 × 7 × 13 × 16381

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 16

Divisor Sum (σ) 7,339,136

Proper Divisor Sum 2,867,123

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #4471997 ← → #4472021

1 3 7 13 21 39 91 273 16,381 49,143 114,667 212,953 344,001 638,859 1,490,671 4,472,013

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

4,472,013 13,416,040 6,708,020 3,354,010 1,677,005 5,031,016 2,515,508 1,257,754 628,877 1,886,632 943,316 471,658 235,829 707,488 353,744 176,872 88,436 44,218 22,109 66,328 33,164 16,582 8,291 24,874 12,437 37,312 18,656 9,328 4,664 2,332 1,166 583 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 10 5 16 8 4

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