7 × 139²

Prime Factor Structure

Factorization String 7 × 139^2

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 155,688

Proper Divisor Sum 20,441

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #135241 ← → #135257

1 7 139 973 19,321 135,247

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

135,247 405,742 202,871 608,614 304,307 912,922 456,461 1,369,384 684,692 342,346 171,173 513,520 256,760 128,380 64,190 32,095 96,286 48,143 144,430 72,215 216,646 108,323 324,970 162,485 487,456 243,728 121,864 60,932 30,466 15,233 45,700 22,850 11,425 34,276 17,138 8,569 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

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