1150
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 7
- Digital Root
- 7
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 12
- Divisor Sum
- 2232
- Proper Divisor Sum (Aliquot Sum)
- 1082
- 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
- 440
- Möbius Function
- 0
- Radical
- 230
- 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
- no
- Harshad Number
- no
- 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 partitions into non-integral powers.at n=8A000263
- Expansion of (1/theta_4(q)^2 -1)/4 in powers of q.at n=9A002318
- Related to representations as sums of Fibonacci numbers.at n=24A006133
- Number of homogeneous primitive partition identities of degree 6 with largest part n.at n=8A007344
- Inverse Moebius transform of triangular numbers.at n=39A007437
- Coordination sequence T2 for Zeolite Code EDI.at n=24A008085
- Coordination sequence T1 for Zeolite Code MFS.at n=21A008173
- Coordination sequence T2 for Zeolite Code MFS.at n=21A008174
- Coordination sequence T3 for Zeolite Code THO.at n=24A008240
- Multiples of 23.at n=50A008605
- Multiples of 25.at n=46A008607
- Expansion of (1+x^5)/((1-x)*(1-x^2)*(1-x^3)*(1-x^4)).at n=41A008766
- Increasing length runs of consecutive composite numbers (endpoints).at n=7A008995
- Coordination sequence T6 for Zeolite Code VNI.at n=21A009912
- a(n) = floor(n*(n-1)*(n-2)/12).at n=25A011894
- a(n) is the sum over all floor(k^3/n), k=0 to n inclusive.at n=15A014818
- Composite n such that phi(n) * sigma(n) is one less than a square.at n=21A015709
- Composite and even n such that phi(n) * sigma(n) is one less than a square.at n=13A015721
- Numbers k such that phi(k) + 10 | sigma(k + 10).at n=30A015789
- Numbers whose base-7 representation is the juxtaposition of two identical strings.at n=22A020335