1360
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 10
- Digital Root
- 1
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 20
- Divisor Sum
- 3348
- Proper Divisor Sum (Aliquot Sum)
- 1988
- Abundant Number
- yes
- Perfect Number
- no
- Deficient Number
- no
- Highly Composite
- no
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 512
- Möbius Function
- 0
- Radical
- 170
- Omega Function (Ω)
- 6
- Little Omega Function (ω)
- 3
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
- yes
- Narcissistic Number
- no
- Collatz Steps
- 13
- 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
- Numbers that are the sum of 2 squares but not sum of 3 nonzero squares.at n=37A000549
- Number of partitions of n into at most 6 parts.at n=31A001402
- a(0) = 1, a(1) = 0, a(2) = -1; for n >= 3, a(n) = - a(n-2) + Sum_{ primes p with 3 <= p <= n} a(n-p).at n=46A002121
- Generalized sum of divisors function.at n=29A002132
- Number of degenerate simplices in n-cube.at n=2A004145
- a(n) = binomial(n+3, 3)/4 for odd n, n*(n+2)*(n+4)/24 for even n.at n=30A006918
- a(n) = 2*binomial(n,3).at n=17A007290
- Number of strict 3rd-order maximal independent sets in cycle graph.at n=33A007392
- Coordination sequence T2 for Zeolite Code CAS.at n=22A008064
- Increasing length runs of consecutive composite numbers (endpoints).at n=8A008995
- Expansion of sin(x)*cos(sinh(x)).at n=4A009534
- Expansion of sinh(x)*exp(sin(x)).at n=9A009622
- Coordination sequence T2 for Zeolite Code CON.at n=26A009869
- Coordination sequence T7 for Zeolite Code CON.at n=26A009874
- log(cos(arcsinh(x))) = -1/2!*x^2+2/4!*x^4-40/6!*x^6+1360/8!*x^8...at n=3A012241
- Expansion of e.g.f. arcsin(arctanh(x) * exp(x)).at n=6A012711
- Multiplicity of K_3 in K_n.at n=34A014557
- Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite CHI = Chiavennite Ca4Mn4[Be8Si20O52(OH)8].8H2O starting with a T3 atom.at n=11A019093
- Place where n-th 1 occurs in A007336.at n=43A022775
- Number of partitions of n into 6 unordered relatively prime parts.at n=31A023026