401,720

2³ × 5 × 11² × 83

Prime Factor Structure

Factorization String 2^3 × 5 × 11^2 × 83

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Total Divisors 48

Divisor Sum (σ) 1,005,480

Proper Divisor Sum 603,760

Digit Sum / Digital Root 14 (Root: 5)

Adjacent Primes #401711 ← → #401743

1 2 4 5 8 10 11 20 22 40 44 55 83 88 110 121 166 220 242 332 415 440 484 605 664 830 913 968 1,210 1,660 1,826 2,420 3,320 3,652 4,565 4,840 7,304 9,130 10,043 18,260 20,086 36,520 40,172 50,215 80,344 100,430 200,860 401,720

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

401,720 200,860 100,430 50,215 150,646 75,323 225,970 112,985 338,956 169,478 84,739 254,218 127,109 381,328 190,664 95,332 47,666 23,833 71,500 35,750 17,875 53,626 26,813 80,440 40,220 20,110 10,055 30,166 15,083 45,250 22,625 67,876 33,938 16,969 50,908 25,454 12,727 38,182 19,091 57,274 28,637 85,912 42,956 21,478 10,739 32,218 16,109 48,328 24,164 12,082 6,041 18,124 9,062 4,531 13,594 6,797 20,392 10,196 5,098 2,549

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