212,898

2 × 3 × 7 × 37 × 137

Prime Factor Structure

Factorization String 2 × 3 × 7 × 37 × 137

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Total Divisors 32

Divisor Sum (σ) 503,424

Proper Divisor Sum 290,526

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #212897 ← → #212903

1 2 3 6 7 14 21 37 42 74 111 137 222 259 274 411 518 777 822 959 1,554 1,918 2,877 5,069 5,754 10,138 15,207 30,414 35,483 70,966 106,449 212,898

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

212,898 106,449 319,348 159,674 79,837 239,512 119,756 59,878 29,939 89,818 44,909 134,728 67,364 33,682 16,841 50,524 25,262 12,631 37,894 18,947 56,842 28,421 85,264 42,632 21,316 10,658 5,329 15,988 7,994 3,997 11,992 5,996 2,998 1,499 4,498 2,249 6,748 3,374 1,687 5,062 2,531 7,594 3,797 11,392 5,696 2,848 1,424 712 356 178 89 268 134 67 202 101 304 152 76 38

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