5290
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 16
- Digital Root
- 7
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 12
- Divisor Sum
- 9954
- Proper Divisor Sum (Aliquot Sum)
- 4664
- 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
- 2024
- 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
- 116
- 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
- Coordination sequence for alpha-Mn, Position Mn4.at n=19A009953
- a(n) = 10*n^2.at n=23A033583
- Increasing gaps among twin primes: size.at n=32A036063
- Base-9 palindromes that start with 7.at n=13A043034
- Numbers whose base-2 representation has exactly 12 runs.at n=2A043579
- a(n) = (1/2)*(n-th number whose base-2 representation has exactly 12 runs).at n=28A043686
- Numbers whose base-4 representation contains exactly two 1's and four 2's.at n=20A045099
- McKay-Thompson series of class 15B for Monster.at n=42A058509
- McKay-Thompson series of class 47A for the Monster group.at n=50A058690
- Numbers that contain as proper substrings every maximal prime power dividing them.at n=5A059401
- First (leftmost) digit - second digit + third digit - fourth digit .... = 12.at n=37A061881
- Coordination sequence for ReO_3 net with respect to oxygen atom O_1.at n=42A066394
- Numbers that when multiplied by the product of their nonzero digits produce a square.at n=47A066565
- Numbers k such that S(k+2) = d(k)+2, where S(k) is the Kempner function (A002034) and d(k) is the number of divisors of k (A000005).at n=29A073535
- Starting positions of strings of three 4's in the decimal expansion of Pi.at n=7A083615
- McKay-Thompson series of class 24f for the Monster group with a(0) = -2.at n=42A093067
- Terms n are such that exactly half[=24] of the {210n+r} set is prime. Here r runs through the reduced residue system mod 210 (RRS[210]).at n=48A095393
- k such that k-th prime is of the form 2n^2 + 3n + 3.at n=24A096690
- a(n) = 3*n^2 - 2.at n=41A100536
- Write the natural numbers as an infinite sequence of digits, starting at the left; a(n) is the subset (i.e., the position in this sequence of the "counting digits") of the first digit of the n-th square.at n=39A105314