2 × 3² × 35729

Prime Factor Structure

Factorization String 2 × 3^2 × 35729

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 1,393,470

Proper Divisor Sum 750,348

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #643121 ← → #643129

1 2 3 6 9 18 35,729 71,458 107,187 214,374 321,561 643,122

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

643,122 321,561 964,684 482,342 241,171 723,514 361,757 1,085,272 542,636 271,318 135,659 406,978 203,489 610,468 305,234 152,617 457,852 228,926 114,463 343,390 171,695 515,086 257,543 772,630 386,315 1,158,946 579,473 1,738,420 869,210 434,605 1,303,816 651,908 325,954 162,977 488,932 244,466 122,233 366,700 183,350 91,675 275,026 137,513 412,540 206,270 103,135 309,406 154,703 464,110 232,055 696,166 348,083 1,044,250 522,125 1,566,376 783,188 391,594 195,797 587,392 293,696 146,848

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