2 × 3 × 13 × 401

Prime Factor Structure

Factorization String 2 × 3 × 13 × 401

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 67,536

Proper Divisor Sum 36,258

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #31277 ← → #31307

1 2 3 6 13 26 39 78 401 802 1,203 2,406 5,213 10,426 15,639 31,278

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

31,278 15,639 46,918 23,459 70,378 35,189 105,568 52,784 26,392 13,196 6,598 3,299 9,898 4,949 14,848 7,424 3,712 1,856 928 464 232 116 58 29 88 44 22 11 34 17 52 26 13 40 20 10 5 16 8 4 2 1

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