1,331,995

5 × 7 × 19 × 2003

Prime Factor Structure

Factorization String 5 × 7 × 19 × 2003

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 16

Divisor Sum (σ) 1,923,840

Proper Divisor Sum 591,845

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #1331989 ← → #1332017

1 5 7 19 35 95 133 665 2,003 10,015 14,021 38,057 70,105 190,285 266,399 1,331,995

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

1,331,995 3,995,986 1,997,993 5,993,980 2,996,990 1,498,495 4,495,486 2,247,743 6,743,230 3,371,615 10,114,846 5,057,423 15,172,270 7,586,135 22,758,406 11,379,203 34,137,610 17,068,805 51,206,416 25,603,208 12,801,604 6,400,802 3,200,401 9,601,204 4,800,602 2,400,301 7,200,904 3,600,452 1,800,226 900,113 2,700,340 1,350,170 675,085 2,025,256 1,012,628 506,314 253,157 759,472 379,736 189,868 94,934 47,467 142,402 71,201 213,604 106,802 53,401 160,204 80,102 40,051 120,154 60,077 180,232 90,116 45,058 22,529 67,588 33,794 16,897 50,692

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