4,124,915

5 × 824983

Starting at 4,124,915, the Collatz iteration reaches 1 after 154 steps. The first transition is 12374746; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 5 × 824983

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 4,949,904

Proper Divisor Sum 824,989

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #4124909 ← → #4124917

Radix Representation

Decimal	4124915
Binary	1111101111000011110011 (22 bits)
Octal	0o17570363
Hexadecimal	0x3EF0F3

Divisor Catalog (4)

1 5 824,983 4,124,915

Collatz Trajectory (154 steps to reach 1)

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

4,124,915 12,374,746 6,187,373 18,562,120 9,281,060 4,640,530 2,320,265 6,960,796 3,480,398 1,740,199 5,220,598 2,610,299 7,830,898 3,915,449 11,746,348 5,873,174 2,936,587 8,809,762 4,404,881 13,214,644 6,607,322 3,303,661 9,910,984 4,955,492 2,477,746 1,238,873 3,716,620 1,858,310 929,155 2,787,466 1,393,733 4,181,200 2,090,600 1,045,300 522,650 261,325 783,976 391,988 195,994 97,997 293,992 146,996 73,498 36,749 110,248 55,124 27,562 13,781 41,344 20,672 10,336 5,168 2,584 1,292 646 323 970 485 1,456 728

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