61,397,661

3 × 13 × 67 × 23497

61,397,661 factors as 3 × 13 × 67 × 23497. Its 16 positive divisors give a proper-divisor sum of 28,082,723, so this integer is deficient. The Collatz stopping time is 176 steps.

Prime Factor Structure

Factorization String 3 × 13 × 67 × 23497

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 89,480,384

Proper Divisor Sum 28,082,723

Digit Sum / Digital Root 39 (Root: 3)

Adjacent Primes #61397647 ← → #61397663

Radix Representation

Decimal	61397661
Binary	11101010001101101010011101 (26 bits)
Octal	0o352155235
Hexadecimal	0x3A8DA9D

Divisor Catalog (16)

1 3 13 39 67 201 871 2,613 23,497 70,491 305,461 916,383 1,574,299 4,722,897 20,465,887 61,397,661

Collatz Trajectory (176 steps to reach 1)

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

61,397,661 184,192,984 92,096,492 46,048,246 23,024,123 69,072,370 34,536,185 103,608,556 51,804,278 25,902,139 77,706,418 38,853,209 116,559,628 58,279,814 29,139,907 87,419,722 43,709,861 131,129,584 65,564,792 32,782,396 16,391,198 8,195,599 24,586,798 12,293,399 36,880,198 18,440,099 55,320,298 27,660,149 82,980,448 41,490,224 20,745,112 10,372,556 5,186,278 2,593,139 7,779,418 3,889,709 11,669,128 5,834,564 2,917,282 1,458,641 4,375,924 2,187,962 1,093,981 3,281,944 1,640,972 820,486 410,243 1,230,730 615,365 1,846,096 923,048 461,524 230,762 115,381 346,144 173,072 86,536 43,268 21,634 10,817

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