2 × 3² × 19 × 431

Prime Factor Structure

Factorization String 2 × 3^2 × 19 × 431

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 336,960

Proper Divisor Sum 189,558

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #147401 ← → #147409

1 2 3 6 9 18 19 38 57 114 171 342 431 862 1,293 2,586 3,879 7,758 8,189 16,378 24,567 49,134 73,701 147,402

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

147,402 73,701 221,104 110,552 55,276 27,638 13,819 41,458 20,729 62,188 31,094 15,547 46,642 23,321 69,964 34,982 17,491 52,474 26,237 78,712 39,356 19,678 9,839 29,518 14,759 44,278 22,139 66,418 33,209 99,628 49,814 24,907 74,722 37,361 112,084 56,042 28,021 84,064 42,032 21,016 10,508 5,254 2,627 7,882 3,941 11,824 5,912 2,956 1,478 739 2,218 1,109 3,328 1,664 832 416 208 104 52 26

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