2,172,016

2⁴ × 7 × 11 × 41 × 43

Prime Factor Structure

Factorization String 2^4 × 7 × 11 × 41 × 43

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Total Divisors 80

Divisor Sum (σ) 5,499,648

Proper Divisor Sum 3,327,632

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #2172007 ← → #2172031

1 2 4 7 8 11 14 16 22 28 41 43 44 56 77 82 86 88 112 154 164 172 176 287 301 308 328 344 451 473 574 602 616 656 688 902 946 1,148 1,204 1,232 1,763 1,804 1,892 2,296 2,408 3,157 3,311 3,526 3,608 3,784 4,592 4,816 6,314 6,622 7,052 7,216 7,568 12,341 12,628 13,244

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

2,172,016 1,086,008 543,004 271,502 135,751 407,254 203,627 610,882 305,441 916,324 458,162 229,081 687,244 343,622 171,811 515,434 257,717 773,152 386,576 193,288 96,644 48,322 24,161 72,484 36,242 18,121 54,364 27,182 13,591 40,774 20,387 61,162 30,581 91,744 45,872 22,936 11,468 5,734 2,867 8,602 4,301 12,904 6,452 3,226 1,613 4,840 2,420 1,210 605 1,816 908 454 227 682 341 1,024 512 256 128 64

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