2² × 5 × 13 × 2161

Prime Factor Structure

Factorization String 2^2 × 5 × 13 × 2161

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 1,271,256

Proper Divisor Sum 709,396

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #561839 ← → #561907

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

561,860 280,930 140,465 421,396 210,698 105,349 316,048 158,024 79,012 39,506 19,753 59,260 29,630 14,815 44,446 22,223 66,670 33,335 100,006 50,003 150,010 75,005 225,016 112,508 56,254 28,127 84,382 42,191 126,574 63,287 189,862 94,931 284,794 142,397 427,192 213,596 106,798 53,399 160,198 80,099 240,298 120,149 360,448 180,224 90,112 45,056 22,528 11,264 5,632 2,816 1,408 704 352 176 88 44 22 11 34 17

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