2,199,609

3³ × 41 × 1987

Prime Factor Structure

Factorization String 3^3 × 41 × 1987

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Total Divisors 16

Divisor Sum (σ) 3,339,840

Proper Divisor Sum 1,140,231

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #2199601 ← → #2199623

1 3 9 27 41 123 369 1,107 1,987 5,961 17,883 53,649 81,467 244,401 733,203 2,199,609

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

2,199,609 6,598,828 3,299,414 1,649,707 4,949,122 2,474,561 7,423,684 3,711,842 1,855,921 5,567,764 2,783,882 1,391,941 4,175,824 2,087,912 1,043,956 521,978 260,989 782,968 391,484 195,742 97,871 293,614 146,807 440,422 220,211 660,634 330,317 990,952 495,476 247,738 123,869 371,608 185,804 92,902 46,451 139,354 69,677 209,032 104,516 52,258 26,129 78,388 39,194 19,597 58,792 29,396 14,698 7,349 22,048 11,024 5,512 2,756 1,378 689 2,068 1,034 517 1,552 776 388

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