280,269

3² × 11 × 19 × 149

Prime Factor Structure

Factorization String 3^2 × 11 × 19 × 149

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 24

Divisor Sum (σ) 468,000

Proper Divisor Sum 187,731

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #280253 ← → #280277

1 3 9 11 19 33 57 99 149 171 209 447 627 1,341 1,639 1,881 2,831 4,917 8,493 14,751 25,479 31,141 93,423 280,269

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

280,269 840,808 420,404 210,202 105,101 315,304 157,652 78,826 39,413 118,240 59,120 29,560 14,780 7,390 3,695 11,086 5,543 16,630 8,315 24,946 12,473 37,420 18,710 9,355 28,066 14,033 42,100 21,050 10,525 31,576 15,788 7,894 3,947 11,842 5,921 17,764 8,882 4,441 13,324 6,662 3,331 9,994 4,997 14,992 7,496 3,748 1,874 937 2,812 1,406 703 2,110 1,055 3,166 1,583 4,750 2,375 7,126 3,563 10,690

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