2 × 7 × 71 × 421

Prime Factor Structure

Factorization String 2 × 7 × 71 × 421

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 729,216

Proper Divisor Sum 310,742

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #418471 ← → #418493

1 2 7 14 71 142 421 497 842 994 2,947 5,894 29,891 59,782 209,237 418,474

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

418,474 209,237 627,712 313,856 156,928 78,464 39,232 19,616 9,808 4,904 2,452 1,226 613 1,840 920 460 230 115 346 173 520 260 130 65 196 98 49 148 74 37 112 56 28 14 7 22 11 34 17 52 26 13 40 20 10 5 16 8 4 2 1

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