λ
Sigma Notebook

348,653

17 × 20509
Deficient Odd Composite

348,653 is odd and not a perfect square. Its factorization is 17 × 20509 and its 4 divisors sum to 369,180.

Prime Factor Structure

Factorization String 17 × 20509
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 369,180
Proper Divisor Sum 20,527
Digit Sum / Digital Root 29 (Root: 2)
Adjacent Primes #348643 ← → #348661

Radix Representation

Decimal 348653
Binary 1010101000111101101 (19 bits)
Octal 0o1250755
Hexadecimal 0x551ED

Divisor Catalog (4)

1 17 20,509 348,653

Collatz Trajectory (166 steps to reach 1)

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

348,653 1,045,960 522,980 261,490 130,745 392,236 196,118 98,059 294,178 147,089 441,268 220,634 110,317 330,952 165,476 82,738 41,369 124,108 62,054 31,027 93,082 46,541 139,624 69,812 34,906 17,453 52,360 26,180 13,090 6,545 19,636 9,818 4,909 14,728 7,364 3,682 1,841 5,524 2,762 1,381 4,144 2,072 1,036 518 259 778 389 1,168 584 292 146 73 220 110 55 166 83 250 125 376

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