1,209,040

2⁴ × 5 × 7 × 17 × 127

Prime Factor Structure

Factorization String 2^4 × 5 × 7 × 17 × 127

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Total Divisors 80

Divisor Sum (σ) 3,428,352

Proper Divisor Sum 2,219,312

Digit Sum / Digital Root 16 (Root: 7)

Adjacent Primes #1209029 ← → #1209053

1 2 4 5 7 8 10 14 16 17 20 28 34 35 40 56 68 70 80 85 112 119 127 136 140 170 238 254 272 280 340 476 508 560 595 635 680 889 952 1,016 1,190 1,270 1,360 1,778 1,904 2,032 2,159 2,380 2,540 3,556 4,318 4,445 4,760 5,080 7,112 8,636 8,890 9,520 10,160 10,795

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

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