2 × 3² × 37 × 643

Prime Factor Structure

Factorization String 2 × 3^2 × 37 × 643

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 954,408

Proper Divisor Sum 526,170

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #428231 ← → #428249

1 2 3 6 9 18 37 74 111 222 333 643 666 1,286 1,929 3,858 5,787 11,574 23,791 47,582 71,373 142,746 214,119 428,238

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

428,238 214,119 642,358 321,179 963,538 481,769 1,445,308 722,654 361,327 1,083,982 541,991 1,625,974 812,987 2,438,962 1,219,481 3,658,444 1,829,222 914,611 2,743,834 1,371,917 4,115,752 2,057,876 1,028,938 514,469 1,543,408 771,704 385,852 192,926 96,463 289,390 144,695 434,086 217,043 651,130 325,565 976,696 488,348 244,174 122,087 366,262 183,131 549,394 274,697 824,092 412,046 206,023 618,070 309,035 927,106 463,553 1,390,660 695,330 347,665 1,042,996 521,498 260,749 782,248 391,124 195,562 97,781

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