1376
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 17
- Digital Root
- 8
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 3
Divisibility
- Divisor Count
- 12
- Divisor Sum
- 2772
- Proper Divisor Sum (Aliquot Sum)
- 1396
- 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
- 672
- Möbius Function
- 0
- Radical
- 86
- Omega Function (Ω)
- 6
- 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
- 34
- Smith Number
- yes
- 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
- Number of oriented trees with n nodes.at n=7A000238
- Partial sums of A001037, omitting A001037(1).at n=12A001036
- From a nim-like game.at n=25A003412
- Expansion of g.f.: (1+x^3)*(1+x^4)/((1-x)*(1-x^2)^2*(1-x^4)).at n=31A004657
- Number of walks on cubic lattice.at n=3A005571
- Primitive pseudoperfect numbers.at n=23A006036
- Primitive nondeficient numbers.at n=19A006039
- Number of partitions of n with at least 1 odd and 1 even part.at n=24A006477
- a(n) = (n^3 + 2*n)/3.at n=16A006527
- Binomial transform of rooted tree numbers.at n=7A006930
- Coordination sequence T3 for Zeolite Code DOH.at n=23A008080
- Coordination sequence T3 for Zeolite Code MFS.at n=23A008175
- Numbers k such that k^2 and k have same last 3 digits.at n=6A008853
- Coordination sequence T7 for Zeolite Code VNI.at n=23A009913
- Number of triples of different integers from [ 2,n ] with no common factors between pairs.at n=30A015620
- Number of ordered 5-tuples of integers from [ 1,n ] with no common factors among quadruples.at n=9A015653
- Numbers k such that phi(k + 13) | sigma(k).at n=42A015833
- Numerator of sum of -3rd powers of divisors of n.at n=20A017669
- Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite MFI = ZSM-5 Nan[AlnSi96-nO192] starting with a T2 atom.at n=10A019159
- Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite MFS = ZSM-57 H1.5[Al1.5Si34.5O72] starting with a T7 atom.at n=10A019174