λ
Sequence Observatory

7,361,129

7361129
Deficient Odd Prime

Starting at 7,361,129, the Collatz iteration reaches 1 after 142 steps. The first transition is 22083388; the starting value is odd with 2 positive divisors.

Prime Factor Structure

Factorization String 7361129
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 7,361,130
Proper Divisor Sum 1
Digit Sum / Digital Root 29 (Root: 2)
Adjacent Primes #7361083 ← → #7361131

Radix Representation

Decimal 7361129
Binary 11100000101001001101001 (23 bits)
Octal 0o34051151
Hexadecimal 0x705269

Divisor Catalog (2)

Collatz Trajectory (142 steps to reach 1)

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

7,361,129 22,083,388 11,041,694 5,520,847 16,562,542 8,281,271 24,843,814 12,421,907 37,265,722 18,632,861 55,898,584 27,949,292 13,974,646 6,987,323 20,961,970 10,480,985 31,442,956 15,721,478 7,860,739 23,582,218 11,791,109 35,373,328 17,686,664 8,843,332 4,421,666 2,210,833 6,632,500 3,316,250 1,658,125 4,974,376 2,487,188 1,243,594 621,797 1,865,392 932,696 466,348 233,174 116,587 349,762 174,881 524,644 262,322 131,161 393,484 196,742 98,371 295,114 147,557 442,672 221,336 110,668 55,334 27,667 83,002 41,501 124,504 62,252 31,126 15,563 46,690

More profiles

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