λ
Sigma Notebook

1,158,121

1158121
Deficient Odd Prime

1,158,121 is odd and not a perfect square. Its factorization is 1158121 and its 2 divisors sum to 1,158,122.

Prime Factor Structure

Factorization String 1158121
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 1,158,122
Proper Divisor Sum 1
Digit Sum / Digital Root 19 (Root: 1)
Adjacent Primes #1158089 ← → #1158133

Radix Representation

Decimal 1158121
Binary 100011010101111101001 (21 bits)
Octal 0o4325751
Hexadecimal 0x11ABE9

Divisor Catalog (2)

Collatz Trajectory (222 steps to reach 1)

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

1,158,121 3,474,364 1,737,182 868,591 2,605,774 1,302,887 3,908,662 1,954,331 5,862,994 2,931,497 8,794,492 4,397,246 2,198,623 6,595,870 3,297,935 9,893,806 4,946,903 14,840,710 7,420,355 22,261,066 11,130,533 33,391,600 16,695,800 8,347,900 4,173,950 2,086,975 6,260,926 3,130,463 9,391,390 4,695,695 14,087,086 7,043,543 21,130,630 10,565,315 31,695,946 15,847,973 47,543,920 23,771,960 11,885,980 5,942,990 2,971,495 8,914,486 4,457,243 13,371,730 6,685,865 20,057,596 10,028,798 5,014,399 15,043,198 7,521,599 22,564,798 11,282,399 33,847,198 16,923,599 50,770,798 25,385,399 76,156,198 38,078,099 114,234,298 57,117,149

More profiles

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