2,651,261

733 × 3617

Starting at 2,651,261, the Collatz iteration reaches 1 after 156 steps. The first transition is 7953784; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 733 × 3617

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 2,655,612

Proper Divisor Sum 4,351

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #2651239 ← → #2651273

Radix Representation

Decimal	2651261
Binary	1010000111010001111101 (22 bits)
Octal	0o12072175
Hexadecimal	0x28747D

Divisor Catalog (4)

1 733 3,617 2,651,261

Collatz Trajectory (156 steps to reach 1)

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

2,651,261 7,953,784 3,976,892 1,988,446 994,223 2,982,670 1,491,335 4,474,006 2,237,003 6,711,010 3,355,505 10,066,516 5,033,258 2,516,629 7,549,888 3,774,944 1,887,472 943,736 471,868 235,934 117,967 353,902 176,951 530,854 265,427 796,282 398,141 1,194,424 597,212 298,606 149,303 447,910 223,955 671,866 335,933 1,007,800 503,900 251,950 125,975 377,926 188,963 566,890 283,445 850,336 425,168 212,584 106,292 53,146 26,573 79,720 39,860 19,930 9,965 29,896 14,948 7,474 3,737 11,212 5,606 2,803

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