2² × 3² × 13² × 109

Prime Factor Structure

Factorization String 2^2 × 3^2 × 13^2 × 109

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 54

Divisor Sum (σ) 1,831,830

Proper Divisor Sum 1,168,674

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #663149 ← → #663161

1 2 3 4 6 9 12 13 18 26 36 39 52 78 109 117 156 169 218 234 327 338 436 468 507 654 676 981 1,014 1,308 1,417 1,521 1,962 2,028 2,834 3,042 3,924 4,251 5,668 6,084 8,502 12,753 17,004 18,421 25,506 36,842 51,012 55,263 73,684 110,526 165,789 221,052 331,578 663,156

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

663,156 331,578 165,789 497,368 248,684 124,342 62,171 186,514 93,257 279,772 139,886 69,943 209,830 104,915 314,746 157,373 472,120 236,060 118,030 59,015 177,046 88,523 265,570 132,785 398,356 199,178 99,589 298,768 149,384 74,692 37,346 18,673 56,020 28,010 14,005 42,016 21,008 10,504 5,252 2,626 1,313 3,940 1,970 985 2,956 1,478 739 2,218 1,109 3,328 1,664 832 416 208 104 52 26 13 40 20

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