1,171,028

2² × 17² × 1013

Starting at 1,171,028, the Collatz iteration reaches 1 after 67 steps. The first transition is 585514; the starting value is even with 18 positive divisors.

Prime Factor Structure

Factorization String 2^2 × 17^2 × 1013

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 2,179,086

Proper Divisor Sum 1,008,058

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #1170979 ← → #1171031

Radix Representation

Decimal	1171028
Binary	100011101111001010100 (21 bits)
Octal	0o4357124
Hexadecimal	0x11DE54

Divisor Catalog (18)

1 2 4 17 34 68 289 578 1,013 1,156 2,026 4,052 17,221 34,442 68,884 292,757 585,514 1,171,028

Collatz Trajectory (67 steps to reach 1)

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

1,171,028 585,514 292,757 878,272 439,136 219,568 109,784 54,892 27,446 13,723 41,170 20,585 61,756 30,878 15,439 46,318 23,159 69,478 34,739 104,218 52,109 156,328 78,164 39,082 19,541 58,624 29,312 14,656 7,328 3,664 1,832 916 458 229 688 344 172 86 43 130 65 196 98 49 148 74 37 112 56 28 14 7 22 11 34 17 52 26 13 40

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