7232
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 14
- Digital Root
- 5
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 3
Divisibility
- Divisor Count
- 14
- Divisor Sum
- 14478
- Proper Divisor Sum (Aliquot Sum)
- 7246
- Abundant Number
- yes
- Perfect Number
- no
- Deficient Number
- no
- Highly Composite
- no
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- yes
Derived Values
- Euler's Totient
- 3584
- Möbius Function
- 0
- Radical
- 226
- Omega Function (Ω)
- 7
- Little Omega Function (ω)
- 2
Special
- Factorial
- no
- Catalan Number
- no
- Bell Number
- no
- Motzkin Number
- no
- Primorial
- no
Figurate Numbers
- Fibonacci Number
- no
- Triangular Number
- no
- Perfect Square
- no
- Perfect Cube
- no
- Pentagonal Number
- no
- Hexagonal Number
- no
- Lucas Number
- no
- Tetrahedral Number
- no
- Pell Number
- no
- Tribonacci Number
- no
- Pronic Number
- no
Recreational
- Happy Number
- no
- Harshad Number
- no
- Narcissistic Number
- no
- Collatz Steps
- 18
- Smith Number
- no
- Vampire Number
- no
Primality
- Prime
- no
- Composite Number
- yes
- Semiprime
- no
- Squarefree Number
- no
- Prime Power
- no
- Prime Factorization
- no
- Twin Prime
- no
- Mersenne Prime
- no
- Sophie Germain Prime
- no
- Safe Prime
- no
- Powerful Number
- no
- Achilles Number
- no
- Perfect Power
- no
- Smooth Number
- no
- Carmichael Number
- no
Classification
- Even
- yes
- Odd
- no
Appears in sequences
- Discriminants of totally real quartic fields (see comments).at n=24A002769
- Number of paraffins (see Losanitsch reference for precise definition).at n=14A006010
- Discriminants of totally real quartic fields.at n=31A023680
- Numbers with 14 divisors.at n=31A030632
- Numbers whose set of base-15 digits is {2,3}.at n=14A032815
- Numbers whose set of base-15 digits is {1,2}.at n=29A032935
- Multiplicity of highest weight (or singular) vectors associated with character chi_22 of Monster module.at n=36A034410
- Number of partitions of n with equal number of parts congruent to each of 0 and 3 (mod 5).at n=39A035554
- Number of partitions of n into parts not of the form 25k, 25k+12 or 25k-12. Also number of partitions with at most 11 parts of size 1 and differences between parts at distance 11 are greater than 1.at n=32A036011
- Positive integers with more base-15 runs of even length than odd.at n=31A044841
- a(n) in base 15 is a repdigit.at n=44A048339
- Numbers m such that m divides sigma(m) - d(m).at n=4A056075
- Numbers k such that phi(x) = k has exactly 10 solutions.at n=38A060673
- Numbers m such that sigma(m+1)+sigma(m-1) = 5*phi(m).at n=12A067242
- Numbers k such that phi(k) divides (sigma(k+1) + sigma(k-1)).at n=35A067244
- Duplicate of A056075.at n=4A070019
- G.f.: Product_{n >= 0} (1+x^(2n+1))/(1-x^(2n+1)).at n=35A080054
- Nonprimes in A084111.at n=43A084112
- Final terms of rows of A085612.at n=31A085836
- A hexagonal spiral Fibonacci sequence.at n=18A094925