406,440

2³ × 3² × 5 × 1129

Prime Factor Structure

Factorization String 2^3 × 3^2 × 5 × 1129

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Total Divisors 48

Divisor Sum (σ) 1,322,100

Proper Divisor Sum 915,660

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #406423 ← → #406447

1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 120 180 360 1,129 2,258 3,387 4,516 5,645 6,774 9,032 10,161 11,290 13,548 16,935 20,322 22,580 27,096 33,870 40,644 45,160 50,805 67,740 81,288 101,610 135,480 203,220 406,440

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

406,440 203,220 101,610 50,805 152,416 76,208 38,104 19,052 9,526 4,763 14,290 7,145 21,436 10,718 5,359 16,078 8,039 24,118 12,059 36,178 18,089 54,268 27,134 13,567 40,702 20,351 61,054 30,527 91,582 45,791 137,374 68,687 206,062 103,031 309,094 154,547 463,642 231,821 695,464 347,732 173,866 86,933 260,800 130,400 65,200 32,600 16,300 8,150 4,075 12,226 6,113 18,340 9,170 4,585 13,756 6,878 3,439 10,318 5,159 15,478

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