7,156,258

2 × 3578129

Starting at 7,156,258, the Collatz iteration reaches 1 after 98 steps. The first transition is 3578129; the starting value is even with 4 positive divisors.

Prime Factor Structure

Factorization String 2 × 3578129

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 10,734,390

Proper Divisor Sum 3,578,132

Digit Sum / Digital Root 34 (Root: 7)

Adjacent Primes #7156231 ← → #7156271

Radix Representation

Decimal	7156258
Binary	11011010011001000100010 (23 bits)
Octal	0o33231042
Hexadecimal	0x6D3222

Divisor Catalog (4)

1 2 3,578,129 7,156,258

Collatz Trajectory (98 steps to reach 1)

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

7,156,258 3,578,129 10,734,388 5,367,194 2,683,597 8,050,792 4,025,396 2,012,698 1,006,349 3,019,048 1,509,524 754,762 377,381 1,132,144 566,072 283,036 141,518 70,759 212,278 106,139 318,418 159,209 477,628 238,814 119,407 358,222 179,111 537,334 268,667 806,002 403,001 1,209,004 604,502 302,251 906,754 453,377 1,360,132 680,066 340,033 1,020,100 510,050 255,025 765,076 382,538 191,269 573,808 286,904 143,452 71,726 35,863 107,590 53,795 161,386 80,693 242,080 121,040 60,520 30,260 15,130 7,565

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