243,747

3² × 7 × 53 × 73

Prime Factor Structure

Factorization String 3^2 × 7 × 53 × 73

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 24

Divisor Sum (σ) 415,584

Proper Divisor Sum 171,837

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #243709 ← → #243769

1 3 7 9 21 53 63 73 159 219 371 477 511 657 1,113 1,533 3,339 3,869 4,599 11,607 27,083 34,821 81,249 243,747

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

243,747 731,242 365,621 1,096,864 548,432 274,216 137,108 68,554 34,277 102,832 51,416 25,708 12,854 6,427 19,282 9,641 28,924 14,462 7,231 21,694 10,847 32,542 16,271 48,814 24,407 73,222 36,611 109,834 54,917 164,752 82,376 41,188 20,594 10,297 30,892 15,446 7,723 23,170 11,585 34,756 17,378 8,689 26,068 13,034 6,517 19,552 9,776 4,888 2,444 1,222 611 1,834 917 2,752 1,376 688 344 172 86 43

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