λ
Sigma Notebook

1,437,623

11 × 130693
Deficient Odd Composite

1,437,623 is odd and not a perfect square. Its factorization is 11 × 130693 and its 4 divisors sum to 1,568,328.

Prime Factor Structure

Factorization String 11 × 130693
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 1,568,328
Proper Divisor Sum 130,705
Digit Sum / Digital Root 26 (Root: 8)
Adjacent Primes #1437613 ← → #1437629

Radix Representation

Decimal 1437623
Binary 101011110111110110111 (21 bits)
Octal 0o5367667
Hexadecimal 0x15EFB7

Divisor Catalog (4)

1 11 130,693 1,437,623

Collatz Trajectory (181 steps to reach 1)

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

1,437,623 4,312,870 2,156,435 6,469,306 3,234,653 9,703,960 4,851,980 2,425,990 1,212,995 3,638,986 1,819,493 5,458,480 2,729,240 1,364,620 682,310 341,155 1,023,466 511,733 1,535,200 767,600 383,800 191,900 95,950 47,975 143,926 71,963 215,890 107,945 323,836 161,918 80,959 242,878 121,439 364,318 182,159 546,478 273,239 819,718 409,859 1,229,578 614,789 1,844,368 922,184 461,092 230,546 115,273 345,820 172,910 86,455 259,366 129,683 389,050 194,525 583,576 291,788 145,894 72,947 218,842 109,421 328,264

More profiles

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