3² × 19 × 1223

Prime Factor Structure

Factorization String 3^2 × 19 × 1223

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 318,240

Proper Divisor Sum 109,107

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #209123 ← → #209147

1 3 9 19 57 171 1,223 3,669 11,007 23,237 69,711 209,133

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

209,133 627,400 313,700 156,850 78,425 235,276 117,638 58,819 176,458 88,229 264,688 132,344 66,172 33,086 16,543 49,630 24,815 74,446 37,223 111,670 55,835 167,506 83,753 251,260 125,630 62,815 188,446 94,223 282,670 141,335 424,006 212,003 636,010 318,005 954,016 477,008 238,504 119,252 59,626 29,813 89,440 44,720 22,360 11,180 5,590 2,795 8,386 4,193 12,580 6,290 3,145 9,436 4,718 2,359 7,078 3,539 10,618 5,309 15,928 7,964

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