λ
Modular Archive

2,745,643

2745643
Deficient Odd Prime

The decimal integer 2,745,643 is 1010011110010100101011 in binary (22 bits), 12362453 in octal and 29E52B in hexadecimal. Its digit sum is 31.

Prime Factor Structure

Factorization String 2745643
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 2,745,644
Proper Divisor Sum 1
Digit Sum / Digital Root 31 (Root: 4)
Adjacent Primes #2745637 ← → #2745661

Radix Representation

Decimal 2745643
Binary 1010011110010100101011 (22 bits)
Octal 0o12362453
Hexadecimal 0x29E52B

Divisor Catalog (2)

Collatz Trajectory (138 steps to reach 1)

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

2,745,643 8,236,930 4,118,465 12,355,396 6,177,698 3,088,849 9,266,548 4,633,274 2,316,637 6,949,912 3,474,956 1,737,478 868,739 2,606,218 1,303,109 3,909,328 1,954,664 977,332 488,666 244,333 733,000 366,500 183,250 91,625 274,876 137,438 68,719 206,158 103,079 309,238 154,619 463,858 231,929 695,788 347,894 173,947 521,842 260,921 782,764 391,382 195,691 587,074 293,537 880,612 440,306 220,153 660,460 330,230 165,115 495,346 247,673 743,020 371,510 185,755 557,266 278,633 835,900 417,950 208,975 626,926

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