7 × 3121

Prime Factor Structure

Factorization String 7 × 3121

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 24,976

Proper Divisor Sum 3,129

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #21841 ← → #21851

1 7 3,121 21,847

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

21,847 65,542 32,771 98,314 49,157 147,472 73,736 36,868 18,434 9,217 27,652 13,826 6,913 20,740 10,370 5,185 15,556 7,778 3,889 11,668 5,834 2,917 8,752 4,376 2,188 1,094 547 1,642 821 2,464 1,232 616 308 154 77 232 116 58 29 88 44 22 11 34 17 52 26 13 40 20 10 5 16 8 4 2 1

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