2² × 5² × 53 × 79

Prime Factor Structure

Factorization String 2^2 × 5^2 × 53 × 79

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 36

Divisor Sum (σ) 937,440

Proper Divisor Sum 518,740

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #418699 ← → #418709

1 2 4 5 10 20 25 50 53 79 100 106 158 212 265 316 395 530 790 1,060 1,325 1,580 1,975 2,650 3,950 4,187 5,300 7,900 8,374 16,748 20,935 41,870 83,740 104,675 209,350 418,700

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

418,700 209,350 104,675 314,026 157,013 471,040 235,520 117,760 58,880 29,440 14,720 7,360 3,680 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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