2 × 5² × 13 × 443

Prime Factor Structure

Factorization String 2 × 5^2 × 13 × 443

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 578,088

Proper Divisor Sum 290,138

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #287939 ← → #287977

1 2 5 10 13 25 26 50 65 130 325 443 650 886 2,215 4,430 5,759 11,075 11,518 22,150 28,795 57,590 143,975 287,950

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

287,950 143,975 431,926 215,963 647,890 323,945 971,836 485,918 242,959 728,878 364,439 1,093,318 546,659 1,639,978 819,989 2,459,968 1,229,984 614,992 307,496 153,748 76,874 38,437 115,312 57,656 28,828 14,414 7,207 21,622 10,811 32,434 16,217 48,652 24,326 12,163 36,490 18,245 54,736 27,368 13,684 6,842 3,421 10,264 5,132 2,566 1,283 3,850 1,925 5,776 2,888 1,444 722 361 1,084 542 271 814 407 1,222 611 1,834

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