3² × 72221

Prime Factor Structure

Factorization String 3^2 × 72221

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 938,886

Proper Divisor Sum 288,897

Digit Sum / Digital Root 45 (Root: 9)

Adjacent Primes #649981 ← → #649991

1 3 9 72,221 216,663 649,989

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

649,989 1,949,968 974,984 487,492 243,746 121,873 365,620 182,810 91,405 274,216 137,108 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

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