2² × 5 × 13 × 1097

Prime Factor Structure

Factorization String 2^2 × 5 × 13 × 1097

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 645,624

Proper Divisor Sum 360,404

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #285199 ← → #285221

1 2 4 5 10 13 20 26 52 65 130 260 1,097 2,194 4,388 5,485 10,970 14,261 21,940 28,522 57,044 71,305 142,610 285,220

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

285,220 142,610 71,305 213,916 106,958 53,479 160,438 80,219 240,658 120,329 360,988 180,494 90,247 270,742 135,371 406,114 203,057 609,172 304,586 152,293 456,880 228,440 114,220 57,110 28,555 85,666 42,833 128,500 64,250 32,125 96,376 48,188 24,094 12,047 36,142 18,071 54,214 27,107 81,322 40,661 121,984 60,992 30,496 15,248 7,624 3,812 1,906 953 2,860 1,430 715 2,146 1,073 3,220 1,610 805 2,416 1,208 604 302

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