67 × 421

Prime Factor Structure

Factorization String 67 × 421

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 28,696

Proper Divisor Sum 489

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #28201 ← → #28211

1 67 421 28,207

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

28,207 84,622 42,311 126,934 63,467 190,402 95,201 285,604 142,802 71,401 214,204 107,102 53,551 160,654 80,327 240,982 120,491 361,474 180,737 542,212 271,106 135,553 406,660 203,330 101,665 304,996 152,498 76,249 228,748 114,374 57,187 171,562 85,781 257,344 128,672 64,336 32,168 16,084 8,042 4,021 12,064 6,032 3,016 1,508 754 377 1,132 566 283 850 425 1,276 638 319 958 479 1,438 719 2,158 1,079

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