3 × 5² × 7 × 19

Prime Factor Structure

Factorization String 3 × 5^2 × 7 × 19

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 19,840

Proper Divisor Sum 9,865

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #9973 ← → #10007

1 3 5 7 15 19 21 25 35 57 75 95 105 133 175 285 399 475 525 665 1,425 1,995 3,325 9,975

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

9,975 29,926 14,963 44,890 22,445 67,336 33,668 16,834 8,417 25,252 12,626 6,313 18,940 9,470 4,735 14,206 7,103 21,310 10,655 31,966 15,983 47,950 23,975 71,926 35,963 107,890 53,945 161,836 80,918 40,459 121,378 60,689 182,068 91,034 45,517 136,552 68,276 34,138 17,069 51,208 25,604 12,802 6,401 19,204 9,602 4,801 14,404 7,202 3,601 10,804 5,402 2,701 8,104 4,052 2,026 1,013 3,040 1,520 760 380

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