261,244

2² × 241 × 271

Starting at 261,244, the Collatz iteration reaches 1 after 70 steps. The first transition is 130622; the starting value is even with 12 positive divisors.

Prime Factor Structure

Factorization String 2^2 × 241 × 271

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 460,768

Proper Divisor Sum 199,524

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #261241 ← → #261251

Radix Representation

Decimal	261244
Binary	111111110001111100 (18 bits)
Octal	0o776174
Hexadecimal	0x3FC7C

Divisor Catalog (12)

1 2 4 241 271 482 542 964 1,084 65,311 130,622 261,244

Collatz Trajectory (70 steps to reach 1)

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

261,244 130,622 65,311 195,934 97,967 293,902 146,951 440,854 220,427 661,282 330,641 991,924 495,962 247,981 743,944 371,972 185,986 92,993 278,980 139,490 69,745 209,236 104,618 52,309 156,928 78,464 39,232 19,616 9,808 4,904 2,452 1,226 613 1,840 920 460 230 115 346 173 520 260 130 65 196 98 49 148 74 37 112 56 28 14 7 22 11 34 17 52

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