408,975

3 × 5² × 7 × 19 × 41

Prime Factor Structure

Factorization String 3 × 5^2 × 7 × 19 × 41

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Total Divisors 48

Divisor Sum (σ) 833,280

Proper Divisor Sum 424,305

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #408971 ← → #408979

1 3 5 7 15 19 21 25 35 41 57 75 95 105 123 133 175 205 285 287 399 475 525 615 665 779 861 1,025 1,425 1,435 1,995 2,337 3,075 3,325 3,895 4,305 5,453 7,175 9,975 11,685 16,359 19,475 21,525 27,265 58,425 81,795 136,325 408,975

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

408,975 1,226,926 613,463 1,840,390 920,195 2,760,586 1,380,293 4,140,880 2,070,440 1,035,220 517,610 258,805 776,416 388,208 194,104 97,052 48,526 24,263 72,790 36,395 109,186 54,593 163,780 81,890 40,945 122,836 61,418 30,709 92,128 46,064 23,032 11,516 5,758 2,879 8,638 4,319 12,958 6,479 19,438 9,719 29,158 14,579 43,738 21,869 65,608 32,804 16,402 8,201 24,604 12,302 6,151 18,454 9,227 27,682 13,841 41,524 20,762 10,381 31,144 15,572

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