4262
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
- 4
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 6396
- Proper Divisor Sum (Aliquot Sum)
- 2134
- 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
- 2130
- Möbius Function
- 1
- Radical
- 4262
- 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
- 77
- 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 Hamiltonian cycles in C_4 X P_n.at n=6A003699
- Coordination sequence T4 for Zeolite Code CON.at n=46A009871
- Coordination sequence T4 for Zeolite Code VNI.at n=40A009910
- Composite n such that phi(n) * sigma(n) is one less than a square.at n=30A015709
- Composite and even n such that phi(n) * sigma(n) is one less than a square.at n=18A015721
- Number of partitions of n into 6 unordered relatively prime parts.at n=42A023026
- Coordination sequence T5 for Zeolite Code MWW.at n=43A024990
- Numbers k such that the continued fraction for sqrt(k) has even period and if the last term of the periodic part is deleted the central term is 64.at n=13A031562
- Numbers with exactly five distinct base-8 digits.at n=6A031985
- Number of bracelets (turnover necklaces) of n beads of 2 colors, 9 of them black.at n=11A032281
- Number of bracelets (turnover necklaces) of n beads of 2 colors, 11 of them black.at n=9A032282
- Decimal part of a(n)^(1/7) starts with n so that a(n) < a(n+1).at n=30A034072
- Decimal part of a(n)^(1/7) starts with reversal of its integer part: first term of runs.at n=2A034313
- Numbers having three 5's in base 9.at n=27A043475
- 3*n^2-2*n+6.at n=38A047915
- Revert transform of (1 - x - 2x^2 + x^3)/(1 - 2x^2).at n=8A049139
- Number of nonisomorphic circulant digraphs (i.e., Cayley digraphs for the cyclic group) of order n.at n=15A049297
- Handsome numbers (A007532) representable as a sum of any positive powers of their digits in two distinct ways, not counting different powers of duplicated digits as distinct.at n=35A050240
- Dimension of the space of weight n cuspidal newforms for Gamma_1( 83 ).at n=15A063356
- Dimension of the space of weight n cuspidal newforms for Gamma_1( 97 ).at n=11A063370