2² × 5 × 7 × 61

Prime Factor Structure

Factorization String 2^2 × 5 × 7 × 61

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 20,832

Proper Divisor Sum 12,292

Digit Sum / Digital Root 17 (Root: 8)

Adjacent Primes #8539 ← → #8543

1 2 4 5 7 10 14 20 28 35 61 70 122 140 244 305 427 610 854 1,220 1,708 2,135 4,270 8,540

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

8,540 4,270 2,135 6,406 3,203 9,610 4,805 14,416 7,208 3,604 1,802 901 2,704 1,352 676 338 169 508 254 127 382 191 574 287 862 431 1,294 647 1,942 971 2,914 1,457 4,372 2,186 1,093 3,280 1,640 820 410 205 616 308 154 77 232 116 58 29 88 44 22 11 34 17 52 26 13 40 20 10

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