5653
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 19
- Digital Root
- 1
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 2
Divisibility
- Divisor Count
- 2
- Divisor Sum
- 5654
- Proper Divisor Sum (Aliquot Sum)
- 1
- 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
- 5652
- Möbius Function
- -1
- Radical
- 5653
- Omega Function (Ω)
- 1
- Little Omega Function (ω)
- 1
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
- 129
- Smith Number
- no
- Vampire Number
- no
Primality
- Prime
- yes
- Composite Number
- no
- Semiprime
- no
- Squarefree Number
- yes
- Prime Power
- yes
- Prime Factorization
- no
- Twin Prime
- yes
- Mersenne Prime
- no
- Sophie Germain Prime
- no
- Safe Prime
- no
- Powerful Number
- no
- Achilles Number
- no
- Prime Index
- 744
- Perfect Power
- no
- Smooth Number
- no
- Carmichael Number
- no
Classification
- Even
- no
- Odd
- yes
Appears in sequences
- Primes p such that the multiplicative order of 2 modulo p is (p-1)/3.at n=49A001133
- Coordination sequence T2 for Zeolite Code MTN.at n=45A008187
- Numbers k such that the continued fraction for sqrt(k) has period 79.at n=5A020418
- Initial members of prime triples (p, p+4, p+6).at n=44A022005
- Primes that remain prime through 2 iterations of function f(x) = 8x + 9.at n=40A023264
- Primes that remain prime through 3 iterations of function f(x) = 8x + 9.at n=4A023295
- Primes that remain prime through 4 iterations of function f(x) = 8x + 9.at n=1A023323
- Discriminants of quintic fields with 4 complex conjugates.at n=31A023685
- Molien series for full 8 X 8 Siegel modular group H_3 of order 371589120.at n=36A027633
- Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 34 ones.at n=37A031802
- "BGK" (reversible, element, unlabeled) transform of 1,1,1,1,...at n=26A032058
- Numbers whose set of base-12 digits is {1,3}.at n=28A032919
- Molien series for 3-D group R2+R3.at n=36A037242
- Expansion of Molien series for 8-dimensional complex Clifford group of genus 3 and order 743178240.at n=18A039946
- Third member of a sexy prime quadruple: value of p+12 such that p, p+6, p+12 and p+18 are all prime.at n=20A046123
- Values of n for which there are no empty intervals when frac(m*gamma) for m = 1, ..., n is plotted along [0, 1] subdivided into n equal regions.at n=15A046158
- Primes whose consecutive digits differ by 1 or 2.at n=49A048413
- Primes p such that p+4 and p+16 are also primes.at n=42A049492
- Numbers n such that n and n+4^k are all primes for k=1,2,3.at n=18A049493
- Discriminants of real quadratic fields with class number 1 and related continued fraction period length of 23.at n=11A051964