1454
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
- 4
- Divisor Sum
- 2184
- Proper Divisor Sum (Aliquot Sum)
- 730
- 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
- 726
- Möbius Function
- 1
- Radical
- 1454
- 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
- 47
- 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
- Related to S(n), the number of self-dual monotone Boolean functions of n variables (A001206): 2^n-th term is S(n).at n=27A001087
- Number of binary forests with n nodes.at n=12A003214
- Numbers k such that 2*3^k + 1 is prime.at n=22A003306
- Number of points on surface of hexagonal prism: 12*n^2 + 2 for n > 0 (coordination sequence for W(2)).at n=11A005914
- Number of points on surface of square pyramid: 3*n^2 + 2 (n>0).at n=22A005918
- Numbers n such that n! has a square number of digits.at n=29A006488
- Coordination sequence T4 for Zeolite Code NON.at n=23A008215
- If a, b in sequence, so is ab+10.at n=13A009368
- Coordination sequence T3 for Zeolite Code RTE.at n=26A009892
- Coordination sequence T2 for Zeolite Code RUT.at n=25A009898
- a(n) = floor( n*(n-1)*(n-2)/27 ).at n=35A011909
- Numbers k such that the continued fraction for sqrt(k) has period 20.at n=33A020359
- Number of 2's in n-th term of A022482.at n=27A022485
- Numbers with exactly 5 2's in their ternary expansion.at n=21A023703
- s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n+1-k), where k = [ (n+1)/2 ], s = (Fibonacci numbers), t = A001950 (upper Wythoff sequence).at n=15A024465
- s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n-k+1), where k = [ n/2 ], s = (Fibonacci numbers), t = A001950 (upper Wythoff sequence).at n=15A025085
- Least sum of 3 distinct nonzero squares in exactly n ways.at n=14A025415
- Expansion of 1/((1-2x)(1-3x)(1-4x)(1-7x)).at n=3A025445
- Binomial transform of Thue-Morse sequence A001285.at n=10A029879
- Numbers whose base-9 representation has 2 fewer 0's than 8's.at n=40A031496