21,360,004

2² × 61 × 87541

21,360,004 factors as 2^2 × 61 × 87541. Its 12 positive divisors give a proper-divisor sum of 16,633,224, so this integer is deficient. The Collatz stopping time is 327 steps.

Prime Factor Structure

Factorization String 2^2 × 61 × 87541

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 37,993,228

Proper Divisor Sum 16,633,224

Digit Sum / Digital Root 16 (Root: 7)

Adjacent Primes #21359999 ← → #21360013

Radix Representation

Decimal	21360004
Binary	1010001011110110110000100 (25 bits)
Octal	0o121366604
Hexadecimal	0x145ED84

Divisor Catalog (12)

1 2 4 61 122 244 87,541 175,082 350,164 5,340,001 10,680,002 21,360,004

Collatz Trajectory (327 steps to reach 1)

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

21,360,004 10,680,002 5,340,001 16,020,004 8,010,002 4,005,001 12,015,004 6,007,502 3,003,751 9,011,254 4,505,627 13,516,882 6,758,441 20,275,324 10,137,662 5,068,831 15,206,494 7,603,247 22,809,742 11,404,871 34,214,614 17,107,307 51,321,922 25,660,961 76,982,884 38,491,442 19,245,721 57,737,164 28,868,582 14,434,291 43,302,874 21,651,437 64,954,312 32,477,156 16,238,578 8,119,289 24,357,868 12,178,934 6,089,467 18,268,402 9,134,201 27,402,604 13,701,302 6,850,651 20,551,954 10,275,977 30,827,932 15,413,966 7,706,983 23,120,950 11,560,475 34,681,426 17,340,713 52,022,140 26,011,070 13,005,535 39,016,606 19,508,303 58,524,910 29,262,455

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