505,804

2² × 13 × 71 × 137

Prime Factor Structure

Factorization String 2^2 × 13 × 71 × 137

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 24

Divisor Sum (σ) 973,728

Proper Divisor Sum 467,924

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #505781 ← → #505811

1 2 4 13 26 52 71 137 142 274 284 548 923 1,781 1,846 3,562 3,692 7,124 9,727 19,454 38,908 126,451 252,902 505,804

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

505,804 252,902 126,451 379,354 189,677 569,032 284,516 142,258 71,129 213,388 106,694 53,347 160,042 80,021 240,064 120,032 60,016 30,008 15,004 7,502 3,751 11,254 5,627 16,882 8,441 25,324 12,662 6,331 18,994 9,497 28,492 14,246 7,123 21,370 10,685 32,056 16,028 8,014 4,007 12,022 6,011 18,034 9,017 27,052 13,526 6,763 20,290 10,145 30,436 15,218 7,609 22,828 11,414 5,707 17,122 8,561 25,684 12,842 6,421 19,264

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