3,151,648

2⁵ × 149 × 661

Starting at 3,151,648, the Collatz iteration reaches 1 after 89 steps. The first transition is 1575824; the starting value is even with 24 positive divisors.

Prime Factor Structure

Factorization String 2^5 × 149 × 661

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 6,255,900

Proper Divisor Sum 3,104,252

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #3151639 ← → #3151649

Radix Representation

Decimal	3151648
Binary	1100000001011100100000 (22 bits)
Octal	0o14013440
Hexadecimal	0x301720

Divisor Catalog (24)

1 2 4 8 16 32 149 298 596 661 1,192 1,322 2,384 2,644 4,768 5,288 10,576 21,152 98,489 196,978 393,956 787,912 1,575,824 3,151,648

Collatz Trajectory (89 steps to reach 1)

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

3,151,648 1,575,824 787,912 393,956 196,978 98,489 295,468 147,734 73,867 221,602 110,801 332,404 166,202 83,101 249,304 124,652 62,326 31,163 93,490 46,745 140,236 70,118 35,059 105,178 52,589 157,768 78,884 39,442 19,721 59,164 29,582 14,791 44,374 22,187 66,562 33,281 99,844 49,922 24,961 74,884 37,442 18,721 56,164 28,082 14,041 42,124 21,062 10,531 31,594 15,797 47,392 23,696 11,848 5,924 2,962 1,481 4,444 2,222 1,111 3,334

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