4,978,885

5 × 179 × 5563

Starting at 4,978,885, the Collatz iteration reaches 1 after 250 steps. The first transition is 14936656; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 5 × 179 × 5563

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 6,009,120

Proper Divisor Sum 1,030,235

Digit Sum / Digital Root 49 (Root: 4)

Adjacent Primes #4978871 ← → #4978889

Radix Representation

Decimal	4978885
Binary	10010111111100011000101 (23 bits)
Octal	0o22774305
Hexadecimal	0x4BF8C5

Divisor Catalog (8)

1 5 179 895 5,563 27,815 995,777 4,978,885

Collatz Trajectory (250 steps to reach 1)

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

4,978,885 14,936,656 7,468,328 3,734,164 1,867,082 933,541 2,800,624 1,400,312 700,156 350,078 175,039 525,118 262,559 787,678 393,839 1,181,518 590,759 1,772,278 886,139 2,658,418 1,329,209 3,987,628 1,993,814 996,907 2,990,722 1,495,361 4,486,084 2,243,042 1,121,521 3,364,564 1,682,282 841,141 2,523,424 1,261,712 630,856 315,428 157,714 78,857 236,572 118,286 59,143 177,430 88,715 266,146 133,073 399,220 199,610 99,805 299,416 149,708 74,854 37,427 112,282 56,141 168,424 84,212 42,106 21,053 63,160 31,580

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