5 × 4217

Prime Factor Structure

Factorization String 5 × 4217

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 25,308

Proper Divisor Sum 4,223

Digit Sum / Digital Root 16 (Root: 7)

Adjacent Primes #21067 ← → #21089

1 5 4,217 21,085

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

21,085 63,256 31,628 15,814 7,907 23,722 11,861 35,584 17,792 8,896 4,448 2,224 1,112 556 278 139 418 209 628 314 157 472 236 118 59 178 89 268 134 67 202 101 304 152 76 38 19 58 29 88 44 22 11 34 17 52 26 13 40 20 10 5 16 8 4 2 1

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