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Properties of the Number 54257

Fifty-Four Thousand Two Hundred Fifty-Seven

Basics

Value: 54256 → 54257 → 54258

Parity: odd

Prime: No

Previous Prime: 54251

Next Prime: 54269

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 7 × 23 × 337

Divisors: 1, 7, 23, 161, 337, 2359, 7751, 54257

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1101001111110001

Octal: 151761

Duodecimal: 27495

Hexadecimal: d3f1

Square: 2943822049

Square Root: 232.9313203500122

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

Triangular array T(n,k) giving number of connected graphs with n labeled nodes and k edges (n >= 1, 0 <= k <= n(n-1)/2). A62734
Triangular array T(n,k) giving number of connected graphs with n labeled nodes and k edges (n >= 1, n-1 <= k <= n(n-1)/2). A123527
Euler transform of A373217. A373298
Number of connected labeled graphs with n nodes and n+8 edges. A96224
Triangle T(m, n) = the number of point-labeled graphs with n points and m edges, no points isolated. By rows, n >= 0, ceiling(n/2) <= m <= binomial(n,2). A276639
Triangle T(n, k) = the number of point-labeled graphs with n points and k edges, no points isolated, no edges isolated. By rows, 0 <= n, ceiling(2·n/3) <= k <= binomial(n, 2). A276640
Numbers whose set of base-15 digits is {1,2}. A32935
First entry of the vector (Mn)w, where M is the 6x6 matrix [[0, 1, 0, 0, 0, 0, ], [0, 0, 1, 0, 0, 0], [0, 0, 0, 1, 0, 0], [0, 0, 0, 0, 1, 0], [0, 0, 0, 0, 0, 1], [1, 0, -1, 0, 1, 1]] and w is the column vector [0, 1, 1, 2, 3, 5]. A117792
Concatenation of n in base 10 down up to base 2 is prime, all numbers are interpreted as decimals. A54257