1430
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 8
- Digital Root
- 8
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 16
- Divisor Sum
- 3024
- Proper Divisor Sum (Aliquot Sum)
- 1594
- 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
- 480
- Möbius Function
- 1
- Radical
- 1430
- Omega Function (Ω)
- 4
- Little Omega Function (ω)
- 4
Special
- Factorial
- no
- Catalan Number
- yes
- 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
- 26
- Smith Number
- no
- Vampire Number
- no
Primality
- Prime
- no
- Composite Number
- yes
- Semiprime
- no
- 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
- Symmetrical dissections of an n-gon.at n=14A000063
- a(n) = n*(n+3)/2.at n=52A000096
- Number of switching networks with AG(n,2) acting on the domain and AG(2,2) acting on the range.at n=3A000895
- Expansion of (sqrt(1-4x^2) - sqrt(1-4x))/(2x).at n=8A000912
- Fermat coefficients.at n=4A000973
- Triangular numbers plus quarter-squares: n*(n+1)/2 + floor((n+1)^2/4) (i.e., A000217(n) + A002620(n+1)).at n=43A001859
- Number of internal triangles in all triangulations of an (n+1)-gon.at n=4A002058
- Degrees of irreducible representations of alternating group A_13.at n=17A003868
- Degrees of irreducible representations of symmetric group S_13.at n=32A003877
- Degrees of irreducible representations of symmetric group S_13.at n=31A003877
- Degrees of irreducible representations of Fischer group Fi22.at n=4A003913
- Primitive pseudoperfect numbers.at n=24A006036
- Primitive nondeficient numbers.at n=20A006039
- Coefficient of x^4 in (1-x-x^2)^(-n).at n=9A006504
- Moebius transform of triangular numbers.at n=52A007438
- Generalization of the golden ratio (expansion of (5-13x)/((1+x)(1-4x))).at n=5A007572
- Generalized Euler numbers O_n^+(2).at n=6A007976
- Coordination sequence T1 for Zeolite Code AFS.at n=29A008023
- Coordination sequence T1 for Zeolite Code EMT.at n=31A008086
- Coordination sequence T3 for Zeolite Code MFI.at n=24A008166