7,618,370

2 × 5 × 149 × 5113

Starting at 7,618,370, the Collatz iteration reaches 1 after 129 steps. The first transition is 3809185; the starting value is even with 16 positive divisors.

Prime Factor Structure

Factorization String 2 × 5 × 149 × 5113

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 13,807,800

Proper Divisor Sum 6,189,430

Digit Sum / Digital Root 32 (Root: 5)

Adjacent Primes #7618367 ← → #7618381

Radix Representation

Decimal	7618370
Binary	11101000011111101000010 (23 bits)
Octal	0o35037502
Hexadecimal	0x743F42

Divisor Catalog (16)

1 2 5 10 149 298 745 1,490 5,113 10,226 25,565 51,130 761,837 1,523,674 3,809,185 7,618,370

Collatz Trajectory (129 steps to reach 1)

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

7,618,370 3,809,185 11,427,556 5,713,778 2,856,889 8,570,668 4,285,334 2,142,667 6,428,002 3,214,001 9,642,004 4,821,002 2,410,501 7,231,504 3,615,752 1,807,876 903,938 451,969 1,355,908 677,954 338,977 1,016,932 508,466 254,233 762,700 381,350 190,675 572,026 286,013 858,040 429,020 214,510 107,255 321,766 160,883 482,650 241,325 723,976 361,988 180,994 90,497 271,492 135,746 67,873 203,620 101,810 50,905 152,716 76,358 38,179 114,538 57,269 171,808 85,904 42,952 21,476 10,738 5,369 16,108 8,054

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