2⁴ × 5² × 31 × 53

Prime Factor Structure

Factorization String 2^4 × 5^2 × 31 × 53

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 60

Divisor Sum (σ) 1,660,608

Proper Divisor Sum 1,003,408

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #657197 ← → #657233

1 2 4 5 8 10 16 20 25 31 40 50 53 62 80 100 106 124 155 200 212 248 265 310 400 424 496 530 620 775 848 1,060 1,240 1,325 1,550 1,643 2,120 2,480 2,650 3,100 3,286 4,240 5,300 6,200 6,572 8,215 10,600 12,400 13,144 16,430 21,200 26,288 32,860 41,075 65,720 82,150 131,440 164,300 328,600 657,200

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

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