2,201,381

7 × 13 × 17 × 1423

Prime Factor Structure

Factorization String 7 × 13 × 17 × 1423

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 16

Divisor Sum (σ) 2,870,784

Proper Divisor Sum 669,403

Digit Sum / Digital Root 17 (Root: 8)

Adjacent Primes #2201371 ← → #2201387

1 7 13 17 91 119 221 1,423 1,547 9,961 18,499 24,191 129,493 169,337 314,483 2,201,381

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

2,201,381 6,604,144 3,302,072 1,651,036 825,518 412,759 1,238,278 619,139 1,857,418 928,709 2,786,128 1,393,064 696,532 348,266 174,133 522,400 261,200 130,600 65,300 32,650 16,325 48,976 24,488 12,244 6,122 3,061 9,184 4,592 2,296 1,148 574 287 862 431 1,294 647 1,942 971 2,914 1,457 4,372 2,186 1,093 3,280 1,640 820 410 205 616 308 154 77 232 116 58 29 88 44 22 11

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