2 × 3 × 7 × 15289

Prime Factor Structure

Factorization String 2 × 3 × 7 × 15289

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,467,840

Proper Divisor Sum 825,702

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #642133 ← → #642149

1 2 3 6 7 14 21 42 15,289 30,578 45,867 91,734 107,023 214,046 321,069 642,138

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

642,138 321,069 963,208 481,604 240,802 120,401 361,204 180,602 90,301 270,904 135,452 67,726 33,863 101,590 50,795 152,386 76,193 228,580 114,290 57,145 171,436 85,718 42,859 128,578 64,289 192,868 96,434 48,217 144,652 72,326 36,163 108,490 54,245 162,736 81,368 40,684 20,342 10,171 30,514 15,257 45,772 22,886 11,443 34,330 17,165 51,496 25,748 12,874 6,437 19,312 9,656 4,828 2,414 1,207 3,622 1,811 5,434 2,717 8,152 4,076

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