408,980

2² × 5 × 11² × 13²

Prime Factor Structure

Factorization String 2^2 × 5 × 11^2 × 13^2

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Total Divisors 54

Divisor Sum (σ) 1,022,238

Proper Divisor Sum 613,258

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #408979 ← → #408997

1 2 4 5 10 11 13 20 22 26 44 52 55 65 110 121 130 143 169 220 242 260 286 338 484 572 605 676 715 845 1,210 1,430 1,573 1,690 1,859 2,420 2,860 3,146 3,380 3,718 6,292 7,436 7,865 9,295 15,730 18,590 20,449 31,460 37,180 40,898 81,796 102,245 204,490 408,980

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

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