8,620,534

2 × 13 × 233 × 1423

Starting at 8,620,534, the Collatz iteration reaches 1 after 119 steps. The first transition is 4310267; the starting value is even with 16 positive divisors.

Prime Factor Structure

Factorization String 2 × 13 × 233 × 1423

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 13,995,072

Proper Divisor Sum 5,374,538

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #8620529 ← → #8620543

Radix Representation

Decimal	8620534
Binary	100000111000100111110110 (24 bits)
Octal	0o40704766
Hexadecimal	0x8389F6

Divisor Catalog (16)

1 2 13 26 233 466 1,423 2,846 3,029 6,058 18,499 36,998 331,559 663,118 4,310,267 8,620,534

Collatz Trajectory (119 steps to reach 1)

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

8,620,534 4,310,267 12,930,802 6,465,401 19,396,204 9,698,102 4,849,051 14,547,154 7,273,577 21,820,732 10,910,366 5,455,183 16,365,550 8,182,775 24,548,326 12,274,163 36,822,490 18,411,245 55,233,736 27,616,868 13,808,434 6,904,217 20,712,652 10,356,326 5,178,163 15,534,490 7,767,245 23,301,736 11,650,868 5,825,434 2,912,717 8,738,152 4,369,076 2,184,538 1,092,269 3,276,808 1,638,404 819,202 409,601 1,228,804 614,402 307,201 921,604 460,802 230,401 691,204 345,602 172,801 518,404 259,202 129,601 388,804 194,402 97,201 291,604 145,802 72,901 218,704 109,352 54,676

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