λ
Sigma Notebook

1,389,212

22 × 11 × 31573
Deficient Even Composite

1,389,212 is even and not a perfect square. Its factorization is 2^2 × 11 × 31573 and its 12 divisors sum to 2,652,216.

Prime Factor Structure

Factorization String 2^2 × 11 × 31573
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 12
Divisor Sum (σ) 2,652,216
Proper Divisor Sum 1,263,004
Digit Sum / Digital Root 26 (Root: 8)
Adjacent Primes #1389211 ← → #1389217

Radix Representation

Decimal 1389212
Binary 101010011001010011100 (21 bits)
Octal 0o5231234
Hexadecimal 0x15329C

Divisor Catalog (12)

1 2 4 11 22 44 31,573 63,146 126,292 347,303 694,606 1,389,212

Collatz Trajectory (80 steps to reach 1)

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

1,389,212 694,606 347,303 1,041,910 520,955 1,562,866 781,433 2,344,300 1,172,150 586,075 1,758,226 879,113 2,637,340 1,318,670 659,335 1,978,006 989,003 2,967,010 1,483,505 4,450,516 2,225,258 1,112,629 3,337,888 1,668,944 834,472 417,236 208,618 104,309 312,928 156,464 78,232 39,116 19,558 9,779 29,338 14,669 44,008 22,004 11,002 5,501 16,504 8,252 4,126 2,063 6,190 3,095 9,286 4,643 13,930 6,965 20,896 10,448 5,224 2,612 1,306 653 1,960 980 490 245

More profiles

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