131 × 509

Prime Factor Structure

Factorization String 131 × 509

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 67,320

Proper Divisor Sum 641

Digit Sum / Digital Root 34 (Root: 7)

Adjacent Primes #66653 ← → #66683

1 131 509 66,679

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

66,679 200,038 100,019 300,058 150,029 450,088 225,044 112,522 56,261 168,784 84,392 42,196 21,098 10,549 31,648 15,824 7,912 3,956 1,978 989 2,968 1,484 742 371 1,114 557 1,672 836 418 209 628 314 157 472 236 118 59 178 89 268 134 67 202 101 304 152 76 38 19 58 29 88 44 22 11 34 17 52 26 13

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