1148
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
- 2
Divisibility
- Divisor Count
- 12
- Divisor Sum
- 2352
- Proper Divisor Sum (Aliquot Sum)
- 1204
- 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
- 0
- Radical
- 574
- Omega Function (Ω)
- 4
- 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
- yes
- Harshad Number
- yes
- Narcissistic Number
- no
- Collatz Steps
- 44
- 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
- Number of ways to fold a strip of n blank stamps.at n=8A001011
- Number of n-stacks with strictly receding walls, or the number of Type A partitions of n in the sense of Auluck (1951).at n=26A001522
- Convolution of A002024 with itself.at n=37A004797
- Number of blobs with vertical symmetry.at n=6A007161
- Positive even numbers that are not the sum of a pair of twin primes.at n=22A007534
- Coordination sequence T2 for Zeolite Code LTL.at n=25A008139
- Coordination sequence T4 for Zeolite Code MFS.at n=21A008176
- Coordination sequence T4 for Zeolite Code STI.at n=23A008237
- Coordination sequence T2 for Zeolite Code TON.at n=21A008242
- Coordination sequence T1 for Zeolite Code GIS.at n=25A008266
- If a, b in sequence, so is ab+4.at n=24A009303
- Expansion of sin(log(1+x)*cos(x)).at n=8A009462
- Coordination sequence for alpha-Mn, Position Mn4.at n=9A009953
- Coordination sequence T5 for Zeolite Code TER.at n=23A016437
- Numbers whose base-9 representation is the juxtaposition of two identical strings.at n=13A020337
- a(n) = prime(n)*prime(n-1) + 1.at n=11A023523
- Theta series of A*_6 lattice.at n=27A023918
- Number of 8's in all partitions of n.at n=29A024792
- a(n) = T(2n,n), where T is the array defined in A025564.at n=5A025570
- a(n) = T(n,[ n/2 ]), where T is the array defined in A025564.at n=10A025575