λ
Sequence Observatory

7,449,929

373 × 19973
Deficient Odd Composite

Starting at 7,449,929, the Collatz iteration reaches 1 after 310 steps. The first transition is 22349788; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 373 × 19973
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 7,470,276
Proper Divisor Sum 20,347
Digit Sum / Digital Root 44 (Root: 8)
Adjacent Primes #7449877 ← → #7449941

Radix Representation

Decimal 7449929
Binary 11100011010110101001001 (23 bits)
Octal 0o34326511
Hexadecimal 0x71AD49

Divisor Catalog (4)

1 373 19,973 7,449,929

Collatz Trajectory (310 steps to reach 1)

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

7,449,929 22,349,788 11,174,894 5,587,447 16,762,342 8,381,171 25,143,514 12,571,757 37,715,272 18,857,636 9,428,818 4,714,409 14,143,228 7,071,614 3,535,807 10,607,422 5,303,711 15,911,134 7,955,567 23,866,702 11,933,351 35,800,054 17,900,027 53,700,082 26,850,041 80,550,124 40,275,062 20,137,531 60,412,594 30,206,297 90,618,892 45,309,446 22,654,723 67,964,170 33,982,085 101,946,256 50,973,128 25,486,564 12,743,282 6,371,641 19,114,924 9,557,462 4,778,731 14,336,194 7,168,097 21,504,292 10,752,146 5,376,073 16,128,220 8,064,110 4,032,055 12,096,166 6,048,083 18,144,250 9,072,125 27,216,376 13,608,188 6,804,094 3,402,047 10,206,142

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