2,738,147

19 × 211 × 683

Starting at 2,738,147, the Collatz iteration reaches 1 after 156 steps. The first transition is 8214442; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 19 × 211 × 683

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 2,900,160

Proper Divisor Sum 162,013

Digit Sum / Digital Root 32 (Root: 5)

Adjacent Primes #2738129 ← → #2738149

Radix Representation

Decimal	2738147
Binary	1010011100011111100011 (22 bits)
Octal	0o12343743
Hexadecimal	0x29C7E3

Divisor Catalog (8)

1 19 211 683 4,009 12,977 144,113 2,738,147

Collatz Trajectory (156 steps to reach 1)

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

2,738,147 8,214,442 4,107,221 12,321,664 6,160,832 3,080,416 1,540,208 770,104 385,052 192,526 96,263 288,790 144,395 433,186 216,593 649,780 324,890 162,445 487,336 243,668 121,834 60,917 182,752 91,376 45,688 22,844 11,422 5,711 17,134 8,567 25,702 12,851 38,554 19,277 57,832 28,916 14,458 7,229 21,688 10,844 5,422 2,711 8,134 4,067 12,202 6,101 18,304 9,152 4,576 2,288 1,144 572 286 143 430 215 646 323 970 485

← Previous Integer #2,738,146 Browse Full Index Next Integer #2,738,148 →