1294
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 16
- Digital Root
- 7
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 3
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 1944
- Proper Divisor Sum (Aliquot Sum)
- 650
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Highly Composite
- no
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 646
- Möbius Function
- 1
- Radical
- 1294
- Omega Function (Ω)
- 2
- 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
- 39
- Smith Number
- no
- Vampire Number
- no
Primality
- Prime
- no
- Composite Number
- yes
- Semiprime
- yes
- Squarefree Number
- yes
- 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 binary partitions: number of partitions of 2n into powers of 2.at n=29A000123
- Number of primes < prime(n)^2.at n=26A000879
- Number of achiral rooted trees.at n=16A003241
- a(n) = a(n-1) + a(n-7), with a(i) = 1 for i = 0..6.at n=35A005709
- Number of 4-dimensional polytopes with n vertices.at n=3A005841
- Number of axially symmetric polyominoes with n cells.at n=13A006746
- Difference between two partition g.f.s.at n=10A007327
- Expansion of (1+x^2)(1+x^4)/((1-x)^2*(1-x^2)*(1-x^3)).at n=22A007979
- Coordination sequence T1 for Zeolite Code ATS.at n=26A008038
- Coordination sequence T4 for Zeolite Code MFI.at n=23A008167
- Expansion of (1+x^8)/((1-x)*(1-x^2)*(1-x^3)*(1-x^4)).at n=44A008769
- a(n) = n^2 - 2.at n=35A008865
- Coordination sequence T2 for Keatite.at n=20A009845
- Convolution of partition numbers and Bell numbers.at n=7A014326
- Expansion of 1/(1 - x^7 - x^8 - ...).at n=42A017901
- Binary partition function: number of partitions of n into powers of 2.at n=59A018819
- Binary partition function: number of partitions of n into powers of 2.at n=58A018819
- Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite EUO = EU-1 Nan[AlnSi112-nO224] starting with a T9 atom.at n=10A019128
- Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite MEL = ZSM-11 Nan[AlnSi96-nO192] starting with a T4 atom.at n=10A019150
- 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 T2 atom.at n=10A019176