2² × 5³ × 139

Prime Factor Structure

Factorization String 2^2 × 5^3 × 139

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 152,880

Proper Divisor Sum 83,380

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #69499 ← → #69539

1 2 4 5 10 20 25 50 100 125 139 250 278 500 556 695 1,390 2,780 3,475 6,950 13,900 17,375 34,750 69,500

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

69,500 34,750 17,375 52,126 26,063 78,190 39,095 117,286 58,643 175,930 87,965 263,896 131,948 65,974 32,987 98,962 49,481 148,444 74,222 37,111 111,334 55,667 167,002 83,501 250,504 125,252 62,626 31,313 93,940 46,970 23,485 70,456 35,228 17,614 8,807 26,422 13,211 39,634 19,817 59,452 29,726 14,863 44,590 22,295 66,886 33,443 100,330 50,165 150,496 75,248 37,624 18,812 9,406 4,703 14,110 7,055 21,166 10,583 31,750 15,875

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