440,145

3² × 5 × 9781

Prime Factor Structure

Factorization String 3^2 × 5 × 9781

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Total Divisors 12

Divisor Sum (σ) 762,996

Proper Divisor Sum 322,851

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #440131 ← → #440159

1 3 5 9 15 45 9,781 29,343 48,905 88,029 146,715 440,145

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

440,145 1,320,436 660,218 330,109 990,328 495,164 247,582 123,791 371,374 185,687 557,062 278,531 835,594 417,797 1,253,392 626,696 313,348 156,674 78,337 235,012 117,506 58,753 176,260 88,130 44,065 132,196 66,098 33,049 99,148 49,574 24,787 74,362 37,181 111,544 55,772 27,886 13,943 41,830 20,915 62,746 31,373 94,120 47,060 23,530 11,765 35,296 17,648 8,824 4,412 2,206 1,103 3,310 1,655 4,966 2,483 7,450 3,725 11,176 5,588 2,794

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