2 × 5 × 21521

Prime Factor Structure

Factorization String 2 × 5 × 21521

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 387,396

Proper Divisor Sum 172,186

Digit Sum / Digital Root 11 (Root: 2)

Adjacent Primes #215197 ← → #215239

1 2 5 10 21,521 43,042 107,605 215,210

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

215,210 107,605 322,816 161,408 80,704 40,352 20,176 10,088 5,044 2,522 1,261 3,784 1,892 946 473 1,420 710 355 1,066 533 1,600 800 400 200 100 50 25 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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