λ
Sequence Observatory

1,549,252

22 × 387313
Deficient Even Composite

Starting at 1,549,252, the Collatz iteration reaches 1 after 194 steps. The first transition is 774626; the starting value is even with 6 positive divisors.

Prime Factor Structure

Factorization String 2^2 × 387313
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 6
Divisor Sum (σ) 2,711,198
Proper Divisor Sum 1,161,946
Digit Sum / Digital Root 28 (Root: 1)
Adjacent Primes #1549213 ← → #1549271

Radix Representation

Decimal 1549252
Binary 101111010001111000100 (21 bits)
Octal 0o5721704
Hexadecimal 0x17A3C4

Divisor Catalog (6)

1 2 4 387,313 774,626 1,549,252

Collatz Trajectory (194 steps to reach 1)

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

1,549,252 774,626 387,313 1,161,940 580,970 290,485 871,456 435,728 217,864 108,932 54,466 27,233 81,700 40,850 20,425 61,276 30,638 15,319 45,958 22,979 68,938 34,469 103,408 51,704 25,852 12,926 6,463 19,390 9,695 29,086 14,543 43,630 21,815 65,446 32,723 98,170 49,085 147,256 73,628 36,814 18,407 55,222 27,611 82,834 41,417 124,252 62,126 31,063 93,190 46,595 139,786 69,893 209,680 104,840 52,420 26,210 13,105 39,316 19,658 9,829

More profiles

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