3 × 23² × 139

Prime Factor Structure

Factorization String 3 × 23^2 × 139

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 309,680

Proper Divisor Sum 89,087

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #220589 ← → #220613

1 3 23 69 139 417 529 1,587 3,197 9,591 73,531 220,593

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

220,593 661,780 330,890 165,445 496,336 248,168 124,084 62,042 31,021 93,064 46,532 23,266 11,633 34,900 17,450 8,725 26,176 13,088 6,544 3,272 1,636 818 409 1,228 614 307 922 461 1,384 692 346 173 520 260 130 65 196 98 49 148 74 37 112 56 28 14 7 22 11 34 17 52 26 13 40 20 10 5 16 8

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