1,018,265

5 × 203653

Starting at 1,018,265, the Collatz iteration reaches 1 after 108 steps. The first transition is 3054796; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 5 × 203653

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 1,221,924

Proper Divisor Sum 203,659

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #1018253 ← → #1018271

Radix Representation

Decimal	1018265
Binary	11111000100110011001 (20 bits)
Octal	0o3704631
Hexadecimal	0xF8999

Divisor Catalog (4)

1 5 203,653 1,018,265

Collatz Trajectory (108 steps to reach 1)

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

1,018,265 3,054,796 1,527,398 763,699 2,291,098 1,145,549 3,436,648 1,718,324 859,162 429,581 1,288,744 644,372 322,186 161,093 483,280 241,640 120,820 60,410 30,205 90,616 45,308 22,654 11,327 33,982 16,991 50,974 25,487 76,462 38,231 114,694 57,347 172,042 86,021 258,064 129,032 64,516 32,258 16,129 48,388 24,194 12,097 36,292 18,146 9,073 27,220 13,610 6,805 20,416 10,208 5,104 2,552 1,276 638 319 958 479 1,438 719 2,158 1,079

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