1514
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 11
- Digital Root
- 2
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 2
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 2274
- Proper Divisor Sum (Aliquot Sum)
- 760
- 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
- 756
- Möbius Function
- 1
- Radical
- 1514
- 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
- 109
- 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
- Numbers k such that phi(k) = phi(k+2).at n=30A001494
- Restricted partitions.at n=10A001981
- Number of column-strict plane partitions of n.at n=11A005986
- Number of partitions of n into partition numbers.at n=37A007279
- Coordination sequence for hexagonal close-packing.at n=12A007899
- Coordination sequence T1 for Zeolite Code LOS.at n=27A008132
- Coordination sequence T1 for Zeolite Code MEL.at n=25A008150
- Coordination sequence for tridymite, lonsdaleite, and wurtzite.at n=24A008264
- If a, b in sequence, so is ab+6.at n=21A009307
- If a, b in sequence, so is ab+7.at n=19A009312
- Coordination sequence for MgCu2, Cu position.at n=10A009930
- Coordination sequence for alpha-Nd, Position Nd1.at n=12A009948
- a(0) = 1, a(n) = 42*n^2 + 2 for n>0.at n=6A010023
- Composite numbers that are equal to the sum of the first k composites for some k.at n=35A013921
- Coordination sequence T1 for Zeolite Code TER.at n=26A016433
- a(n+1) (n >= 1) is smallest number > a(n) which is the sum of cubes of distinct earlier terms.at n=32A019511
- Numbers k such that the continued fraction for sqrt(k) has period 13.at n=11A020352
- Positions of nonprimes among the powers of primes (A000961).at n=56A024621
- a(n) is the position of cube of the n-th prime among the powers of primes (A000961).at n=8A024625
- Positions of cubes among the powers of primes (A000961).at n=13A024627