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Properties of the Number 54312

Fifty-Four Thousand Three Hundred Twelve

Basics

Value: 54311 → 54312 → 54313

Parity: even

Prime: No

Previous Prime: 54311

Next Prime: 54319

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 3 × 3 × 31 × 73

Divisors: 1, 2, 3, 4, 6, 8, 12, 24, 31, 62

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Representations

Binary: 1101010000101000

Octal: 152050

Duodecimal: 27520

Hexadecimal: d428

Square: 2949793344

Square Root: 233.0493509967363

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Fixed points of the function A260529(n) = concatenation of the positions of digits 9, 8,..., 0 in the decimal representation of n, using 1 for the rightmost digit etc., skipping digits which don't occur. A260275
(1/4) * number of ways to select 3 distinct points forming a triangle of unsigned area = n/2 from a square of grid points with side length n. A320310
Numbers with 5 distinct digits {1,2,3,4,5} such that all adjacent digits (as well as first and last digits) are coprime. A104972
Number of parts in all partitions of n with largest multiplicity nine. A320379
Number of n X 2 0..3 arrays with no element equal to zero plus the sum of elements to its left or zero plus the sum of elements above it or one plus the sum of the elements diagonally to its northwest or one plus the sum of the elements antidiagonally to its northeast, modulo 4. A239852
Number of permutations of [n] avoiding the consecutive pattern 45321. A202213
Triangle read by rows: T(n,k) is the number of permutations of {1,2,...,n} having k doubledescents (0 <= k <= n-2). We say that i is a doubledescent (also called a double fall) of a permutation p if p(i) > p(i+1) > p(i+2). A162975
Number of all trees of weight n, where nodes have positive integer weights and the sum of the weights of the children of a node is equal to the weight of the node. A118376
Number T(n,k) of permutations p of [n] such that in 0p the largest up-jump equals k and no down-jump is larger than 2; triangle T(n,k), n>=0, 0<=k<=n, read by rows. A291680
Eulerian numbers (Euler's triangle: column k=4 of A008292, column k=3 of A173018). A498