655,399

655399

Starting at 655,399, the Collatz iteration reaches 1 after 247 steps. The first transition is 1966198; the starting value is odd with 2 positive divisors.

Prime Factor Structure

Factorization String 655399

Distinct Prime Factors 1

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 2

Divisor Sum (σ) 655,400

Proper Divisor Sum 1

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #655387 ← → #655439

Radix Representation

Decimal	655399
Binary	10100000000000100111 (20 bits)
Octal	0o2400047
Hexadecimal	0xA0027

Divisor Catalog (2)

1 655,399

Collatz Trajectory (247 steps to reach 1)

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

655,399 1,966,198 983,099 2,949,298 1,474,649 4,423,948 2,211,974 1,105,987 3,317,962 1,658,981 4,976,944 2,488,472 1,244,236 622,118 311,059 933,178 466,589 1,399,768 699,884 349,942 174,971 524,914 262,457 787,372 393,686 196,843 590,530 295,265 885,796 442,898 221,449 664,348 332,174 166,087 498,262 249,131 747,394 373,697 1,121,092 560,546 280,273 840,820 420,410 210,205 630,616 315,308 157,654 78,827 236,482 118,241 354,724 177,362 88,681 266,044 133,022 66,511 199,534 99,767 299,302 149,651

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