4,100,516

2² × 7² × 20921

Prime Factor Structure

Factorization String 2^2 × 7^2 × 20921

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Total Divisors 18

Divisor Sum (σ) 8,347,878

Proper Divisor Sum 4,247,362

Digit Sum / Digital Root 17 (Root: 8)

Adjacent Primes #4100489 ← → #4100521

1 2 4 7 14 28 49 98 196 20,921 41,842 83,684 146,447 292,894 585,788 1,025,129 2,050,258 4,100,516

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

4,100,516 2,050,258 1,025,129 3,075,388 1,537,694 768,847 2,306,542 1,153,271 3,459,814 1,729,907 5,189,722 2,594,861 7,784,584 3,892,292 1,946,146 973,073 2,919,220 1,459,610 729,805 2,189,416 1,094,708 547,354 273,677 821,032 410,516 205,258 102,629 307,888 153,944 76,972 38,486 19,243 57,730 28,865 86,596 43,298 21,649 64,948 32,474 16,237 48,712 24,356 12,178 6,089 18,268 9,134 4,567 13,702 6,851 20,554 10,277 30,832 15,416 7,708 3,854 1,927 5,782 2,891 8,674 4,337

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