11 × 19 × 37 × 71

Prime Factor Structure

Factorization String 11 × 19 × 37 × 71

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 656,640

Proper Divisor Sum 107,597

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #549037 ← → #549071

1 11 19 37 71 209 407 703 781 1,349 2,627 7,733 14,839 28,897 49,913 549,043

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

549,043 1,647,130 823,565 2,470,696 1,235,348 617,674 308,837 926,512 463,256 231,628 115,814 57,907 173,722 86,861 260,584 130,292 65,146 32,573 97,720 48,860 24,430 12,215 36,646 18,323 54,970 27,485 82,456 41,228 20,614 10,307 30,922 15,461 46,384 23,192 11,596 5,798 2,899 8,698 4,349 13,048 6,524 3,262 1,631 4,894 2,447 7,342 3,671 11,014 5,507 16,522 8,261 24,784 12,392 6,196 3,098 1,549 4,648 2,324 1,162 581

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