2² × 7² × 13 × 31

Prime Factor Structure

Factorization String 2^2 × 7^2 × 13 × 31

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 36

Divisor Sum (σ) 178,752

Proper Divisor Sum 99,764

Digit Sum / Digital Root 40 (Root: 4)

Adjacent Primes #78979 ← → #78989

1 2 4 7 13 14 26 28 31 49 52 62 91 98 124 182 196 217 364 403 434 637 806 868 1,274 1,519 1,612 2,548 2,821 3,038 5,642 6,076 11,284 19,747 39,494 78,988

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

78,988 39,494 19,747 59,242 29,621 88,864 44,432 22,216 11,108 5,554 2,777 8,332 4,166 2,083 6,250 3,125 9,376 4,688 2,344 1,172 586 293 880 440 220 110 55 166 83 250 125 376 188 94 47 142 71 214 107 322 161 484 242 121 364 182 91 274 137 412 206 103 310 155 466 233 700 350 175 526

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