2⁴ × 5 × 7 × 521

Prime Factor Structure

Factorization String 2^4 × 5 × 7 × 521

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 40

Divisor Sum (σ) 776,736

Proper Divisor Sum 484,976

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #291751 ← → #291779

1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 280 521 560 1,042 2,084 2,605 3,647 4,168 5,210 7,294 8,336 10,420 14,588 18,235 20,840 29,176 36,470 41,680 58,352 72,940 145,880 291,760

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

291,760 145,880 72,940 36,470 18,235 54,706 27,353 82,060 41,030 20,515 61,546 30,773 92,320 46,160 23,080 11,540 5,770 2,885 8,656 4,328 2,164 1,082 541 1,624 812 406 203 610 305 916 458 229 688 344 172 86 43 130 65 196 98 49 148 74 37 112 56 28 14 7 22 11 34 17 52 26 13 40 20 10

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