39,955

5 × 61 × 131

Prime Factor Structure

Factorization String 5 × 61 × 131

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Total Divisors 8

Divisor Sum (σ) 49,104

Proper Divisor Sum 9,149

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #39953 ← → #39971

1 5 61 131 305 655 7,991 39,955

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

39,955 119,866 59,933 179,800 89,900 44,950 22,475 67,426 33,713 101,140 50,570 25,285 75,856 37,928 18,964 9,482 4,741 14,224 7,112 3,556 1,778 889 2,668 1,334 667 2,002 1,001 3,004 1,502 751 2,254 1,127 3,382 1,691 5,074 2,537 7,612 3,806 1,903 5,710 2,855 8,566 4,283 12,850 6,425 19,276 9,638 4,819 14,458 7,229 21,688 10,844 5,422 2,711 8,134 4,067 12,202 6,101 18,304 9,152

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