Properties of the Number 64258

Sixty-Four Thousand Two Hundred Fifty-Eight

Basics

Value: 64257 → 64258 → 64259

Parity: even

Prime: No

Previous Prime: 64237

Next Prime: 64271

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 × 19 ² × 89

Divisors: 1, 2, 19, 38, 89, 178, 361, 722, 1691, 3382

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111101100000010

Octal: 175402

Duodecimal: 3122A

Hexadecimal: fb02

Square: 4129090564

Square Root: 253.49161721840034

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 ways to place 2 non-attacking wazirs on an n X n toroidal board. A201236

T(n,k)=Equals two maps: number of nXk binary arrays indicating the locations of corresponding elements equal to exactly two of their king-move neighbors in a random 0..1 nXk array. A220247

Expansion of (1 - x - 6·x²)/(1 - x - 8·x²). A100304

Number of (n+2)X(7+2) 0..1 arrays with every 3X3 subblock sum of the two medians of the central row and column plus the two sums of the diagonal and antidiagonal nondecreasing horizontally, vertically and ne-to-sw antidiagonally. A259005

Equals two maps: number of nX4 binary arrays indicating the locations of corresponding elements equal to exactly two of their king-move neighbors in a random 0..1 nX4 array. A220245

Equals two maps: number of nX5 binary arrays indicating the locations of corresponding elements equal to exactly two of their king-move neighbors in a random 0..1 nX5 array. A220246

Indices n such that sign(Im(zetazero(n)) - 2*π*e·exp(LambertW((n - 11/8)/e))) = -1. A282897

Values of m such that N=(am+1)(bm+1)(cm+1) is a 3-Carmichael number (A087788), where a,b,c = 1,2,43. A64258

Numbers that are both dodecagonal and centered heptagonal. A279946