λ
Sequence Observatory

4,984,385

5 × 7 × 53 × 2687
Deficient Odd Composite

Starting at 4,984,385, the Collatz iteration reaches 1 after 113 steps. The first transition is 14953156; the starting value is odd with 16 positive divisors.

Prime Factor Structure

Factorization String 5 × 7 × 53 × 2687
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 6,967,296
Proper Divisor Sum 1,982,911
Digit Sum / Digital Root 41 (Root: 5)
Adjacent Primes #4984373 ← → #4984391

Radix Representation

Decimal 4984385
Binary 10011000000111001000001 (23 bits)
Octal 0o23007101
Hexadecimal 0x4C0E41

Divisor Catalog (16)

1 5 7 35 53 265 371 1,855 2,687 13,435 18,809 94,045 142,411 712,055 996,877 4,984,385

Collatz Trajectory (113 steps to reach 1)

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

4,984,385 14,953,156 7,476,578 3,738,289 11,214,868 5,607,434 2,803,717 8,411,152 4,205,576 2,102,788 1,051,394 525,697 1,577,092 788,546 394,273 1,182,820 591,410 295,705 887,116 443,558 221,779 665,338 332,669 998,008 499,004 249,502 124,751 374,254 187,127 561,382 280,691 842,074 421,037 1,263,112 631,556 315,778 157,889 473,668 236,834 118,417 355,252 177,626 88,813 266,440 133,220 66,610 33,305 99,916 49,958 24,979 74,938 37,469 112,408 56,204 28,102 14,051 42,154 21,077 63,232 31,616

More profiles

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