561,978

2 × 3⁴ × 3469

Prime Factor Structure

Factorization String 2 × 3^4 × 3469

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Total Divisors 20

Divisor Sum (σ) 1,259,610

Proper Divisor Sum 697,632

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #561973 ← → #561983

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

561,978 280,989 842,968 421,484 210,742 105,371 316,114 158,057 474,172 237,086 118,543 355,630 177,815 533,446 266,723 800,170 400,085 1,200,256 600,128 300,064 150,032 75,016 37,508 18,754 9,377 28,132 14,066 7,033 21,100 10,550 5,275 15,826 7,913 23,740 11,870 5,935 17,806 8,903 26,710 13,355 40,066 20,033 60,100 30,050 15,025 45,076 22,538 11,269 33,808 16,904 8,452 4,226 2,113 6,340 3,170 1,585 4,756 2,378 1,189 3,568

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