2² × 5 × 11 × 1609

Prime Factor Structure

Factorization String 2^2 × 5 × 11 × 1609

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 811,440

Proper Divisor Sum 457,460

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #353963 ← → #354001

1 2 4 5 10 11 20 22 44 55 110 220 1,609 3,218 6,436 8,045 16,090 17,699 32,180 35,398 70,796 88,495 176,990 353,980

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

353,980 176,990 88,495 265,486 132,743 398,230 199,115 597,346 298,673 896,020 448,010 224,005 672,016 336,008 168,004 84,002 42,001 126,004 63,002 31,501 94,504 47,252 23,626 11,813 35,440 17,720 8,860 4,430 2,215 6,646 3,323 9,970 4,985 14,956 7,478 3,739 11,218 5,609 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

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