6,215,558

2 × 1289 × 2411

Starting at 6,215,558, the Collatz iteration reaches 1 after 196 steps. The first transition is 3107779; the starting value is even with 8 positive divisors.

Prime Factor Structure

Factorization String 2 × 1289 × 2411

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 9,334,440

Proper Divisor Sum 3,118,882

Digit Sum / Digital Root 32 (Root: 5)

Adjacent Primes #6215551 ← → #6215579

Radix Representation

Decimal	6215558
Binary	10111101101011110000110 (23 bits)
Octal	0o27553606
Hexadecimal	0x5ED786

Divisor Catalog (8)

1 2 1,289 2,411 2,578 4,822 3,107,779 6,215,558

Collatz Trajectory (196 steps to reach 1)

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

6,215,558 3,107,779 9,323,338 4,661,669 13,985,008 6,992,504 3,496,252 1,748,126 874,063 2,622,190 1,311,095 3,933,286 1,966,643 5,899,930 2,949,965 8,849,896 4,424,948 2,212,474 1,106,237 3,318,712 1,659,356 829,678 414,839 1,244,518 622,259 1,866,778 933,389 2,800,168 1,400,084 700,042 350,021 1,050,064 525,032 262,516 131,258 65,629 196,888 98,444 49,222 24,611 73,834 36,917 110,752 55,376 27,688 13,844 6,922 3,461 10,384 5,192 2,596 1,298 649 1,948 974 487 1,462 731 2,194 1,097

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