5 × 11 × 13² × 31

Prime Factor Structure

Factorization String 5 × 11 × 13^2 × 31

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 421,632

Proper Divisor Sum 133,487

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #288137 ← → #288179

1 5 11 13 31 55 65 143 155 169 341 403 715 845 1,705 1,859 2,015 4,433 5,239 9,295 22,165 26,195 57,629 288,145

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

288,145 864,436 432,218 216,109 648,328 324,164 162,082 81,041 243,124 121,562 60,781 182,344 91,172 45,586 22,793 68,380 34,190 17,095 51,286 25,643 76,930 38,465 115,396 57,698 28,849 86,548 43,274 21,637 64,912 32,456 16,228 8,114 4,057 12,172 6,086 3,043 9,130 4,565 13,696 6,848 3,424 1,712 856 428 214 107 322 161 484 242 121 364 182 91 274 137 412 206 103 310

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