λ
Sequence Observatory

249,453

33 × 9239
Deficient Odd Composite

Starting at 249,453, the Collatz iteration reaches 1 after 111 steps. The first transition is 748360; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 3^3 × 9239
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 369,600
Proper Divisor Sum 120,147
Digit Sum / Digital Root 27 (Root: 9)
Adjacent Primes #249449 ← → #249463

Radix Representation

Decimal 249453
Binary 111100111001101101 (18 bits)
Octal 0o747155
Hexadecimal 0x3CE6D

Divisor Catalog (8)

1 3 9 27 9,239 27,717 83,151 249,453

Collatz Trajectory (111 steps to reach 1)

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

249,453 748,360 374,180 187,090 93,545 280,636 140,318 70,159 210,478 105,239 315,718 157,859 473,578 236,789 710,368 355,184 177,592 88,796 44,398 22,199 66,598 33,299 99,898 49,949 149,848 74,924 37,462 18,731 56,194 28,097 84,292 42,146 21,073 63,220 31,610 15,805 47,416 23,708 11,854 5,927 17,782 8,891 26,674 13,337 40,012 20,006 10,003 30,010 15,005 45,016 22,508 11,254 5,627 16,882 8,441 25,324 12,662 6,331 18,994 9,497

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