2 × 7 × 71 × 2213

Prime Factor Structure

Factorization String 2 × 7 × 71 × 2213

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 3,825,792

Proper Divisor Sum 1,626,070

Digit Sum / Digital Root 32 (Root: 5)

Adjacent Primes #2199719 ← → #2199739

1 2 7 14 71 142 497 994 2,213 4,426 15,491 30,982 157,123 314,246 1,099,861 2,199,722

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

2,199,722 1,099,861 3,299,584 1,649,792 824,896 412,448 206,224 103,112 51,556 25,778 12,889 38,668 19,334 9,667 29,002 14,501 43,504 21,752 10,876 5,438 2,719 8,158 4,079 12,238 6,119 18,358 9,179 27,538 13,769 41,308 20,654 10,327 30,982 15,491 46,474 23,237 69,712 34,856 17,428 8,714 4,357 13,072 6,536 3,268 1,634 817 2,452 1,226 613 1,840 920 460 230 115 346 173 520 260 130 65

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