3² × 7 × 421

Prime Factor Structure

Factorization String 3^2 × 7 × 421

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 43,888

Proper Divisor Sum 17,365

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #26513 ← → #26539

1 3 7 9 21 63 421 1,263 2,947 3,789 8,841 26,523

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

26,523 79,570 39,785 119,356 59,678 29,839 89,518 44,759 134,278 67,139 201,418 100,709 302,128 151,064 75,532 37,766 18,883 56,650 28,325 84,976 42,488 21,244 10,622 5,311 15,934 7,967 23,902 11,951 35,854 17,927 53,782 26,891 80,674 40,337 121,012 60,506 30,253 90,760 45,380 22,690 11,345 34,036 17,018 8,509 25,528 12,764 6,382 3,191 9,574 4,787 14,362 7,181 21,544 10,772 5,386 2,693 8,080 4,040 2,020 1,010

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