27,639

3² × 37 × 83

Prime Factor Structure

Factorization String 3^2 × 37 × 83

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Total Divisors 12

Divisor Sum (σ) 41,496

Proper Divisor Sum 13,857

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #27631 ← → #27647

1 3 9 37 83 111 249 333 747 3,071 9,213 27,639

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

27,639 82,918 41,459 124,378 62,189 186,568 93,284 46,642 23,321 69,964 34,982 17,491 52,474 26,237 78,712 39,356 19,678 9,839 29,518 14,759 44,278 22,139 66,418 33,209 99,628 49,814 24,907 74,722 37,361 112,084 56,042 28,021 84,064 42,032 21,016 10,508 5,254 2,627 7,882 3,941 11,824 5,912 2,956 1,478 739 2,218 1,109 3,328 1,664 832 416 208 104 52 26 13 40 20 10 5

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