621,908

2² × 7² × 19 × 167

Prime Factor Structure

Factorization String 2^2 × 7^2 × 19 × 167

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Total Divisors 36

Divisor Sum (σ) 1,340,640

Proper Divisor Sum 718,732

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #621893 ← → #621913

1 2 4 7 14 19 28 38 49 76 98 133 167 196 266 334 532 668 931 1,169 1,862 2,338 3,173 3,724 4,676 6,346 8,183 12,692 16,366 22,211 32,732 44,422 88,844 155,477 310,954 621,908

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

621,908 310,954 155,477 466,432 233,216 116,608 58,304 29,152 14,576 7,288 3,644 1,822 911 2,734 1,367 4,102 2,051 6,154 3,077 9,232 4,616 2,308 1,154 577 1,732 866 433 1,300 650 325 976 488 244 122 61 184 92 46 23 70 35 106 53 160 80 40 20 10 5 16 8 4 2 1

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