398,430

2 × 3² × 5 × 19 × 233

Prime Factor Structure

Factorization String 2 × 3^2 × 5 × 19 × 233

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Total Divisors 48

Divisor Sum (σ) 1,095,120

Proper Divisor Sum 696,690

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #398423 ← → #398441

1 2 3 5 6 9 10 15 18 19 30 38 45 57 90 95 114 171 190 233 285 342 466 570 699 855 1,165 1,398 1,710 2,097 2,330 3,495 4,194 4,427 6,990 8,854 10,485 13,281 20,970 22,135 26,562 39,843 44,270 66,405 79,686 132,810 199,215 398,430

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

398,430 199,215 597,646 298,823 896,470 448,235 1,344,706 672,353 2,017,060 1,008,530 504,265 1,512,796 756,398 378,199 1,134,598 567,299 1,701,898 850,949 2,552,848 1,276,424 638,212 319,106 159,553 478,660 239,330 119,665 358,996 179,498 89,749 269,248 134,624 67,312 33,656 16,828 8,414 4,207 12,622 6,311 18,934 9,467 28,402 14,201 42,604 21,302 10,651 31,954 15,977 47,932 23,966 11,983 35,950 17,975 53,926 26,963 80,890 40,445 121,336 60,668 30,334 15,167

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