2² × 5 × 67 × 331

Prime Factor Structure

Factorization String 2^2 × 5 × 67 × 331

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 948,192

Proper Divisor Sum 504,652

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #443533 ← → #443543

1 2 4 5 10 20 67 134 268 331 335 662 670 1,324 1,340 1,655 3,310 6,620 22,177 44,354 88,708 110,885 221,770 443,540

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

443,540 221,770 110,885 332,656 166,328 83,164 41,582 20,791 62,374 31,187 93,562 46,781 140,344 70,172 35,086 17,543 52,630 26,315 78,946 39,473 118,420 59,210 29,605 88,816 44,408 22,204 11,102 5,551 16,654 8,327 24,982 12,491 37,474 18,737 56,212 28,106 14,053 42,160 21,080 10,540 5,270 2,635 7,906 3,953 11,860 5,930 2,965 8,896 4,448 2,224 1,112 556 278 139 418 209 628 314 157 472

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