2² × 13 × 12497

Prime Factor Structure

Factorization String 2^2 × 13 × 12497

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 1,224,804

Proper Divisor Sum 574,960

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #649843 ← → #649849

1 2 4 13 26 52 12,497 24,994 49,988 162,461 324,922 649,844

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

649,844 324,922 162,461 487,384 243,692 121,846 60,923 182,770 91,385 274,156 137,078 68,539 205,618 102,809 308,428 154,214 77,107 231,322 115,661 346,984 173,492 86,746 43,373 130,120 65,060 32,530 16,265 48,796 24,398 12,199 36,598 18,299 54,898 27,449 82,348 41,174 20,587 61,762 30,881 92,644 46,322 23,161 69,484 34,742 17,371 52,114 26,057 78,172 39,086 19,543 58,630 29,315 87,946 43,973 131,920 65,960 32,980 16,490 8,245 24,736

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