2² × 5 × 11 × 409

Prime Factor Structure

Factorization String 2^2 × 5 × 11 × 409

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 206,640

Proper Divisor Sum 116,660

Digit Sum / Digital Root 34 (Root: 7)

Adjacent Primes #89977 ← → #89983

1 2 4 5 10 11 20 22 44 55 110 220 409 818 1,636 2,045 4,090 4,499 8,180 8,998 17,996 22,495 44,990 89,980

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

89,980 44,990 22,495 67,486 33,743 101,230 50,615 151,846 75,923 227,770 113,885 341,656 170,828 85,414 42,707 128,122 64,061 192,184 96,092 48,046 24,023 72,070 36,035 108,106 54,053 162,160 81,080 40,540 20,270 10,135 30,406 15,203 45,610 22,805 68,416 34,208 17,104 8,552 4,276 2,138 1,069 3,208 1,604 802 401 1,204 602 301 904 452 226 113 340 170 85 256 128 64 32 16

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