2 × 3 × 23 × 151

Prime Factor Structure

Factorization String 2 × 3 × 23 × 151

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 43,776

Proper Divisor Sum 22,938

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #20809 ← → #20849

1 2 3 6 23 46 69 138 151 302 453 906 3,473 6,946 10,419 20,838

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

20,838 10,419 31,258 15,629 46,888 23,444 11,722 5,861 17,584 8,792 4,396 2,198 1,099 3,298 1,649 4,948 2,474 1,237 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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