213,214

2 × 17 × 6271

213,214 has digital root 4. The neighboring primes are 213209 and 213217; its proper-divisor sum differs from the starting integer by -87,740.

Prime Factor Structure

Factorization String 2 × 17 × 6271

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Total Divisors 8

Divisor Sum (σ) 338,688

Proper Divisor Sum 125,474

Digit Sum / Digital Root 13 (Root: 4)

Adjacent Primes #213209 ← → #213217

1 2 17 34 6,271 12,542 106,607 213,214

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

213,214 106,607 319,822 159,911 479,734 239,867 719,602 359,801 1,079,404 539,702 269,851 809,554 404,777 1,214,332 607,166 303,583 910,750 455,375 1,366,126 683,063 2,049,190 1,024,595 3,073,786 1,536,893 4,610,680 2,305,340 1,152,670 576,335 1,729,006 864,503 2,593,510 1,296,755 3,890,266 1,945,133 5,835,400 2,917,700 1,458,850 729,425 2,188,276 1,094,138 547,069 1,641,208 820,604 410,302 205,151 615,454 307,727 923,182 461,591 1,384,774 692,387 2,077,162 1,038,581 3,115,744 1,557,872 778,936 389,468 194,734 97,367 292,102

Browse other published profiles and their separate link collections.