2614
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 13
- Digital Root
- 4
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 3
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 3924
- Proper Divisor Sum (Aliquot Sum)
- 1310
- 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
- 1306
- Möbius Function
- 1
- Radical
- 2614
- 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
- 177
- Smith Number
- yes
- 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 k^64 + 1 is prime.at n=28A006316
- Coordination sequence T1 for Zeolite Code ANA.at n=33A008031
- Coordination sequence T5 for Zeolite Code MEL.at n=33A008154
- Coordination sequence T5 for Zeolite Code CON.at n=36A009872
- Coordination sequence T7 for Zeolite Code CON.at n=36A009874
- Numbers k such that the continued fraction for sqrt(k) has period 82.at n=1A020421
- s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n+1-k), where k = [ (n+1)/2 ], s = (Fibonacci numbers), t = A000201 (lower Wythoff sequence).at n=18A024464
- a(n) = s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n+1-k), where k = [ (n+1)/2 ], s = (Lucas numbers), t = (1, p(1), p(2), ...).at n=14A024470
- a(n) = (d(n)-r(n))/2, where d = A026049 and r is the periodic sequence with fundamental period (1,0,0,1).at n=20A026050
- 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 50.at n=11A031548
- Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 36 ones.at n=2A031804
- Numbers with exactly five distinct base-7 digits.at n=24A031984
- AND-convolution of squares A000290 with themselves.at n=34A033458
- Number of partitions of n with equal number of parts congruent to each of 0 and 3 (mod 4).at n=34A035542
- Number of partitions of n into parts not of the form 9k, 9k+4 or 9k-4. Also number of partitions with at most 3 parts of size 1 and differences between parts at distance 3 are greater than 1.at n=34A035943
- Digit sum of 'even' number equals digit sum of 'sum' and 'juxtaposition' of its prime factors (counted with multiplicity).at n=27A036926
- Smallest positive integer m such that m = pi(n*m) = A000720(n*m).at n=7A038626
- Numerators of continued fraction convergents to sqrt(112).at n=6A041202
- Numbers n such that string 2,4 occurs in the base 9 representation of n but not of n-1.at n=36A044273
- Numbers n such that string 1,4 occurs in the base 10 representation of n but not of n-1.at n=29A044346