256,346

2 × 128173

256,346 factors as 2 × 128173. Its 4 positive divisors give a proper-divisor sum of 128,176, so this integer is deficient. The Collatz stopping time is 75 steps.

Prime Factor Structure

Factorization String 2 × 128173

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 384,522

Proper Divisor Sum 128,176

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #256337 ← → #256349

Radix Representation

Decimal	256346
Binary	111110100101011010 (18 bits)
Octal	0o764532
Hexadecimal	0x3E95A

Divisor Catalog (4)

1 2 128,173 256,346

Collatz Trajectory (75 steps to reach 1)

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

256,346 128,173 384,520 192,260 96,130 48,065 144,196 72,098 36,049 108,148 54,074 27,037 81,112 40,556 20,278 10,139 30,418 15,209 45,628 22,814 11,407 34,222 17,111 51,334 25,667 77,002 38,501 115,504 57,752 28,876 14,438 7,219 21,658 10,829 32,488 16,244 8,122 4,061 12,184 6,092 3,046 1,523 4,570 2,285 6,856 3,428 1,714 857 2,572 1,286 643 1,930 965 2,896 1,448 724 362 181 544 272

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