180,908

2² × 7² × 13 × 71

180,908 has the prime decomposition 2^2 × 7^2 × 13 × 71. Its 4 distinct prime factors produce 36 positive divisors.

Prime Factor Structure

Factorization String 2^2 × 7^2 × 13 × 71

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Total Divisors 36

Divisor Sum (σ) 402,192

Proper Divisor Sum 221,284

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #180907 ← → #180949

1 2 4 7 13 14 26 28 49 52 71 91 98 142 182 196 284 364 497 637 923 994 1,274 1,846 1,988 2,548 3,479 3,692 6,461 6,958 12,922 13,916 25,844 45,227 90,454 180,908

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

180,908 90,454 45,227 135,682 67,841 203,524 101,762 50,881 152,644 76,322 38,161 114,484 57,242 28,621 85,864 42,932 21,466 10,733 32,200 16,100 8,050 4,025 12,076 6,038 3,019 9,058 4,529 13,588 6,794 3,397 10,192 5,096 2,548 1,274 637 1,912 956 478 239 718 359 1,078 539 1,618 809 2,428 1,214 607 1,822 911 2,734 1,367 4,102 2,051 6,154 3,077 9,232 4,616 2,308 1,154

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