454
domain: N
Properties
Digital Properties
- Digit Count
- 3
- Digit Sum
- 13
- Digital Root
- 4
- Palindromic Number
- yes
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 2
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 684
- Proper Divisor Sum (Aliquot Sum)
- 230
- 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
- 226
- Möbius Function
- 1
- Radical
- 454
- 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
- 14
- Smith Number
- yes
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
Names
- German
- vierhundertvierundfünfzig· ordinal: vierhundertvierundfünfzigste
- English
- four hundred fifty-four· ordinal: four hundred fifty-fourth
- Spanish
- cuatrocientos cincuenta y cuatro· ordinal: 454º
- French
- quatre cent cinquante-quatre· ordinal: quatre cent cinquante-quatrième
- Italian
- quattrocentocinquantaquattro· ordinal: 454º
- Latin
- quadringenti quinquaginta quattuor· ordinal: 454.
- Portuguese
- quatrocentos e cinquenta e quatro· ordinal: 454º
Appears in sequences
- Number of partitions of n into at most 6 parts.at n=23A001402
- a(n) = a(n-2) + a(n-3) + a(n-4), with initial values a(0) = 0, a(1) = 2, a(2) = 3, a(3) = 6.at n=15A001634
- 2 together with primes multiplied by 2.at n=49A001747
- Expansion of e.g.f. exp(2*(exp(x) - 1)).at n=5A001861
- Palindromes in base 10.at n=54A002113
- A jumping problem.at n=12A002466
- Smallest number of stones in Tchoukaillon (or Mancala, or Kalahari) solitaire that make use of n-th hole.at n=37A002491
- Number of partially achiral rooted trees.at n=10A003240
- Numbers that are the sum of 9 positive 4th powers.at n=49A003343
- Sum of remainders of n mod k, for k = 1, 2, 3, ..., n.at n=51A004125
- a(n) = floor(n*phi^5), where phi is the golden ratio, A001622.at n=41A004920
- Number of Twopins positions.at n=14A005690
- Smith (or joke) numbers: composite numbers k such that sum of digits of k = sum of digits of prime factors of k (counted with multiplicity).at n=18A006753
- Optimal cost of search tree for searching an ordered array of n elements with cost k of probing element k.at n=15A007077
- Coordination sequence T1 for Zeolite Code MON.at n=13A008181
- Expansion of 1/((1-x)*(1-x^3)*(1-x^5)*(1-x^7)).at n=58A008673
- Coordination sequence T4 for Zeolite Code CON.at n=15A009871
- Coordination sequence T2 for Zeolite Code RSN.at n=14A009886
- Coordination sequence T1 for Zeolite Code ZON.at n=15A009919
- Numbers k such that C(k,3) = C(x,3) + C(y,3) is solvable.at n=14A010330