2² × 3² × 53 × 331

Prime Factor Structure

Factorization String 2^2 × 3^2 × 53 × 331

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 36

Divisor Sum (σ) 1,631,448

Proper Divisor Sum 999,900

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #631537 ← → #631549

1 2 3 4 6 9 12 18 36 53 106 159 212 318 331 477 636 662 954 993 1,324 1,908 1,986 2,979 3,972 5,958 11,916 17,543 35,086 52,629 70,172 105,258 157,887 210,516 315,774 631,548

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

631,548 315,774 157,887 473,662 236,831 710,494 355,247 1,065,742 532,871 1,598,614 799,307 2,397,922 1,198,961 3,596,884 1,798,442 899,221 2,697,664 1,348,832 674,416 337,208 168,604 84,302 42,151 126,454 63,227 189,682 94,841 284,524 142,262 71,131 213,394 106,697 320,092 160,046 80,023 240,070 120,035 360,106 180,053 540,160 270,080 135,040 67,520 33,760 16,880 8,440 4,220 2,110 1,055 3,166 1,583 4,750 2,375 7,126 3,563 10,690 5,345 16,036 8,018 4,009

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