9,566,055

3² × 5 × 212579

Starting at 9,566,055, the Collatz iteration reaches 1 after 145 steps. The first transition is 28698166; the starting value is odd with 12 positive divisors.

Prime Factor Structure

Factorization String 3^2 × 5 × 212579

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 16,581,240

Proper Divisor Sum 7,015,185

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #9566047 ← → #9566057

Radix Representation

Decimal	9566055
Binary	100100011111011101100111 (24 bits)
Octal	0o44373547
Hexadecimal	0x91F767

Divisor Catalog (12)

1 3 5 9 15 45 212,579 637,737 1,062,895 1,913,211 3,188,685 9,566,055

Collatz Trajectory (145 steps to reach 1)

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

9,566,055 28,698,166 14,349,083 43,047,250 21,523,625 64,570,876 32,285,438 16,142,719 48,428,158 24,214,079 72,642,238 36,321,119 108,963,358 54,481,679 163,445,038 81,722,519 245,167,558 122,583,779 367,751,338 183,875,669 551,627,008 275,813,504 137,906,752 68,953,376 34,476,688 17,238,344 8,619,172 4,309,586 2,154,793 6,464,380 3,232,190 1,616,095 4,848,286 2,424,143 7,272,430 3,636,215 10,908,646 5,454,323 16,362,970 8,181,485 24,544,456 12,272,228 6,136,114 3,068,057 9,204,172 4,602,086 2,301,043 6,903,130 3,451,565 10,354,696 5,177,348 2,588,674 1,294,337 3,883,012 1,941,506 970,753 2,912,260 1,456,130 728,065 2,184,196

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