λ
Sequence Observatory

2,486,935

5 × 11 × 103 × 439
Deficient Odd Composite

Starting at 2,486,935, the Collatz iteration reaches 1 after 130 steps. The first transition is 7460806; the starting value is odd with 16 positive divisors.

Prime Factor Structure

Factorization String 5 × 11 × 103 × 439
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 3,294,720
Proper Divisor Sum 807,785
Digit Sum / Digital Root 37 (Root: 1)
Adjacent Primes #2486873 ← → #2486951

Radix Representation

Decimal 2486935
Binary 1001011111001010010111 (22 bits)
Octal 0o11371227
Hexadecimal 0x25F297

Divisor Catalog (16)

1 5 11 55 103 439 515 1,133 2,195 4,829 5,665 24,145 45,217 226,085 497,387 2,486,935

Collatz Trajectory (130 steps to reach 1)

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

2,486,935 7,460,806 3,730,403 11,191,210 5,595,605 16,786,816 8,393,408 4,196,704 2,098,352 1,049,176 524,588 262,294 131,147 393,442 196,721 590,164 295,082 147,541 442,624 221,312 110,656 55,328 27,664 13,832 6,916 3,458 1,729 5,188 2,594 1,297 3,892 1,946 973 2,920 1,460 730 365 1,096 548 274 137 412 206 103 310 155 466 233 700 350 175 526 263 790 395 1,186 593 1,780 890 445

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