2² × 5 × 107 × 181

Prime Factor Structure

Factorization String 2^2 × 5 × 107 × 181

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 825,552

Proper Divisor Sum 438,212

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #387329 ← → #387341

1 2 4 5 10 20 107 181 214 362 428 535 724 905 1,070 1,810 2,140 3,620 19,367 38,734 77,468 96,835 193,670 387,340

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

387,340 193,670 96,835 290,506 145,253 435,760 217,880 108,940 54,470 27,235 81,706 40,853 122,560 61,280 30,640 15,320 7,660 3,830 1,915 5,746 2,873 8,620 4,310 2,155 6,466 3,233 9,700 4,850 2,425 7,276 3,638 1,819 5,458 2,729 8,188 4,094 2,047 6,142 3,071 9,214 4,607 13,822 6,911 20,734 10,367 31,102 15,551 46,654 23,327 69,982 34,991 104,974 52,487 157,462 78,731 236,194 118,097 354,292 177,146 88,573

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