408,150

2 × 3² × 5² × 907

Prime Factor Structure

Factorization String 2 × 3^2 × 5^2 × 907

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Total Divisors 36

Divisor Sum (σ) 1,097,772

Proper Divisor Sum 689,622

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #408137 ← → #408169

1 2 3 5 6 9 10 15 18 25 30 45 50 75 90 150 225 450 907 1,814 2,721 4,535 5,442 8,163 9,070 13,605 16,326 22,675 27,210 40,815 45,350 68,025 81,630 136,050 204,075 408,150

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

408,150 204,075 612,226 306,113 918,340 459,170 229,585 688,756 344,378 172,189 516,568 258,284 129,142 64,571 193,714 96,857 290,572 145,286 72,643 217,930 108,965 326,896 163,448 81,724 40,862 20,431 61,294 30,647 91,942 45,971 137,914 68,957 206,872 103,436 51,718 25,859 77,578 38,789 116,368 58,184 29,092 14,546 7,273 21,820 10,910 5,455 16,366 8,183 24,550 12,275 36,826 18,413 55,240 27,620 13,810 6,905 20,716 10,358 5,179 15,538

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