λ
Sequence Observatory

4,179,434

2 × 7 × 487 × 613
Deficient Even Composite

Starting at 4,179,434, the Collatz iteration reaches 1 after 154 steps. The first transition is 2089717; the starting value is even with 16 positive divisors.

Prime Factor Structure

Factorization String 2 × 7 × 487 × 613
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 7,191,168
Proper Divisor Sum 3,011,734
Digit Sum / Digital Root 32 (Root: 5)
Adjacent Primes #4179419 ← → #4179437

Radix Representation

Decimal 4179434
Binary 1111111100010111101010 (22 bits)
Octal 0o17742752
Hexadecimal 0x3FC5EA

Divisor Catalog (16)

1 2 7 14 487 613 974 1,226 3,409 4,291 6,818 8,582 298,531 597,062 2,089,717 4,179,434

Collatz Trajectory (154 steps to reach 1)

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

4,179,434 2,089,717 6,269,152 3,134,576 1,567,288 783,644 391,822 195,911 587,734 293,867 881,602 440,801 1,322,404 661,202 330,601 991,804 495,902 247,951 743,854 371,927 1,115,782 557,891 1,673,674 836,837 2,510,512 1,255,256 627,628 313,814 156,907 470,722 235,361 706,084 353,042 176,521 529,564 264,782 132,391 397,174 198,587 595,762 297,881 893,644 446,822 223,411 670,234 335,117 1,005,352 502,676 251,338 125,669 377,008 188,504 94,252 47,126 23,563 70,690 35,345 106,036 53,018 26,509

More profiles

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