3,603,518

2 × 1801759

Starting at 3,603,518, the Collatz iteration reaches 1 after 226 steps. The first transition is 1801759; the starting value is even with 4 positive divisors.

Prime Factor Structure

Factorization String 2 × 1801759

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 5,405,280

Proper Divisor Sum 1,801,762

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #3603491 ← → #3603527

Radix Representation

Decimal	3603518
Binary	1101101111110000111110 (22 bits)
Octal	0o15576076
Hexadecimal	0x36FC3E

Divisor Catalog (4)

1 2 1,801,759 3,603,518

Collatz Trajectory (226 steps to reach 1)

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

3,603,518 1,801,759 5,405,278 2,702,639 8,107,918 4,053,959 12,161,878 6,080,939 18,242,818 9,121,409 27,364,228 13,682,114 6,841,057 20,523,172 10,261,586 5,130,793 15,392,380 7,696,190 3,848,095 11,544,286 5,772,143 17,316,430 8,658,215 25,974,646 12,987,323 38,961,970 19,480,985 58,442,956 29,221,478 14,610,739 43,832,218 21,916,109 65,748,328 32,874,164 16,437,082 8,218,541 24,655,624 12,327,812 6,163,906 3,081,953 9,245,860 4,622,930 2,311,465 6,934,396 3,467,198 1,733,599 5,200,798 2,600,399 7,801,198 3,900,599 11,701,798 5,850,899 17,552,698 8,776,349 26,329,048 13,164,524 6,582,262 3,291,131 9,873,394 4,936,697

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