Properties of the Number 28453

Twenty-Eight Thousand Four Hundred Fifty-Three

Basics

Value: 28452 → 28453 → 28454

Parity: odd

Prime: No

Previous Prime: 28447

Next Prime: 28463

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 37 × 769

Divisors: 1, 37, 769, 28453

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 110111100100101

Octal: 67445

Duodecimal: 14571

Hexadecimal: 6f25

Square: 809573209

Square Root: 168.6801707374047

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

Number of distinct values taken by 5th derivative of x^x^...^x (with n x's and parentheses inserted in all possible ways) at x=1. A199296

Odd numbers which are factored to the same set of primes in Z as to the irreducible polynomials in GF(2)[X]; odd terms of A235036. A235039

Numbers k of the form (x + y)*(x² + y²) such that (x + y) and (x² + y²) are primes. A349202

Numbers k such that the continued fraction for sqrt(k) has period 63. A20402

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 790", based on the 5-celled von Neumann neighborhood. A273562

Squarefree semiprimes k such that k+1 is the product of three distinct primes and k+2 is the product of four distinct primes. A376352

Number of partitions in parts not of the form 21k, 21k+3 or 21k-3. Also number of partitions with at most 2 parts of size 1 and differences between parts at distance 9 are greater than 1. A35981

Discriminants of real quadratic fields with class number 2 and related continued fraction period length of 19. A51984

Number of perfect matchings in graph P₃ X P₄ X P_n. A28453

Number of 4X(n+1) 0..3 arrays with every 2X2 subblock having the same number of equal edges as its horizontal neighbors and a different number from its vertical neighbors, and new values 0..3 introduced in row major order. A205611