909,143

17 × 53479

Starting at 909,143, the Collatz iteration reaches 1 after 201 steps. The first transition is 2727430; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 17 × 53479

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 962,640

Proper Divisor Sum 53,497

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #909133 ← → #909151

Radix Representation

Decimal	909143
Binary	11011101111101010111 (20 bits)
Octal	0o3357527
Hexadecimal	0xDDF57

Divisor Catalog (4)

1 17 53,479 909,143

Collatz Trajectory (201 steps to reach 1)

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

909,143 2,727,430 1,363,715 4,091,146 2,045,573 6,136,720 3,068,360 1,534,180 767,090 383,545 1,150,636 575,318 287,659 862,978 431,489 1,294,468 647,234 323,617 970,852 485,426 242,713 728,140 364,070 182,035 546,106 273,053 819,160 409,580 204,790 102,395 307,186 153,593 460,780 230,390 115,195 345,586 172,793 518,380 259,190 129,595 388,786 194,393 583,180 291,590 145,795 437,386 218,693 656,080 328,040 164,020 82,010 41,005 123,016 61,508 30,754 15,377 46,132 23,066 11,533 34,600

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