3² × 5 × 7 × 181

Prime Factor Structure

Factorization String 3^2 × 5 × 7 × 181

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 113,568

Proper Divisor Sum 56,553

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #56999 ← → #57037

1 3 5 7 9 15 21 35 45 63 105 181 315 543 905 1,267 1,629 2,715 3,801 6,335 8,145 11,403 19,005 57,015

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

57,015 171,046 85,523 256,570 128,285 384,856 192,428 96,214 48,107 144,322 72,161 216,484 108,242 54,121 162,364 81,182 40,591 121,774 60,887 182,662 91,331 273,994 136,997 410,992 205,496 102,748 51,374 25,687 77,062 38,531 115,594 57,797 173,392 86,696 43,348 21,674 10,837 32,512 16,256 8,128 4,064 2,032 1,016 508 254 127 382 191 574 287 862 431 1,294 647 1,942 971 2,914 1,457 4,372 2,186

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