171,499

149 × 1151

Starting at 171,499, the Collatz iteration reaches 1 after 134 steps. The first transition is 514498; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 149 × 1151

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 172,800

Proper Divisor Sum 1,301

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #171491 ← → #171517

Radix Representation

Decimal	171499
Binary	101001110111101011 (18 bits)
Octal	0o516753
Hexadecimal	0x29DEB

Divisor Catalog (4)

1 149 1,151 171,499

Collatz Trajectory (134 steps to reach 1)

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

171,499 514,498 257,249 771,748 385,874 192,937 578,812 289,406 144,703 434,110 217,055 651,166 325,583 976,750 488,375 1,465,126 732,563 2,197,690 1,098,845 3,296,536 1,648,268 824,134 412,067 1,236,202 618,101 1,854,304 927,152 463,576 231,788 115,894 57,947 173,842 86,921 260,764 130,382 65,191 195,574 97,787 293,362 146,681 440,044 220,022 110,011 330,034 165,017 495,052 247,526 123,763 371,290 185,645 556,936 278,468 139,234 69,617 208,852 104,426 52,213 156,640 78,320 39,160

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