2² × 5 × 17747

Prime Factor Structure

Factorization String 2^2 × 5 × 17747

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 745,416

Proper Divisor Sum 390,476

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #354911 ← → #354953

1 2 4 5 10 20 17,747 35,494 70,988 88,735 177,470 354,940

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

354,940 177,470 88,735 266,206 133,103 399,310 199,655 598,966 299,483 898,450 449,225 1,347,676 673,838 336,919 1,010,758 505,379 1,516,138 758,069 2,274,208 1,137,104 568,552 284,276 142,138 71,069 213,208 106,604 53,302 26,651 79,954 39,977 119,932 59,966 29,983 89,950 44,975 134,926 67,463 202,390 101,195 303,586 151,793 455,380 227,690 113,845 341,536 170,768 85,384 42,692 21,346 10,673 32,020 16,010 8,005 24,016 12,008 6,004 3,002 1,501 4,504 2,252

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