2 × 12821

Prime Factor Structure

Factorization String 2 × 12821

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 38,466

Proper Divisor Sum 12,824

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #25639 ← → #25643

1 2 12,821 25,642

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

25,642 12,821 38,464 19,232 9,616 4,808 2,404 1,202 601 1,804 902 451 1,354 677 2,032 1,016 508 254 127 382 191 574 287 862 431 1,294 647 1,942 971 2,914 1,457 4,372 2,186 1,093 3,280 1,640 820 410 205 616 308 154 77 232 116 58 29 88 44 22 11 34 17 52 26 13 40 20 10 5

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