1,608,865

5 × 233 × 1381

Starting at 1,608,865, the Collatz iteration reaches 1 after 238 steps. The first transition is 4826596; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 5 × 233 × 1381

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 1,940,328

Proper Divisor Sum 331,463

Digit Sum / Digital Root 34 (Root: 7)

Adjacent Primes #1608839 ← → #1608883

Radix Representation

Decimal	1608865
Binary	110001000110010100001 (21 bits)
Octal	0o6106241
Hexadecimal	0x188CA1

Divisor Catalog (8)

1 5 233 1,165 1,381 6,905 321,773 1,608,865

Collatz Trajectory (238 steps to reach 1)

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

1,608,865 4,826,596 2,413,298 1,206,649 3,619,948 1,809,974 904,987 2,714,962 1,357,481 4,072,444 2,036,222 1,018,111 3,054,334 1,527,167 4,581,502 2,290,751 6,872,254 3,436,127 10,308,382 5,154,191 15,462,574 7,731,287 23,193,862 11,596,931 34,790,794 17,395,397 52,186,192 26,093,096 13,046,548 6,523,274 3,261,637 9,784,912 4,892,456 2,446,228 1,223,114 611,557 1,834,672 917,336 458,668 229,334 114,667 344,002 172,001 516,004 258,002 129,001 387,004 193,502 96,751 290,254 145,127 435,382 217,691 653,074 326,537 979,612 489,806 244,903 734,710 367,355

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