Properties of the Number 64436

Sixty-Four Thousand Four Hundred Thirty-Six

Basics

Value: 64435 → 64436 → 64437

Parity: even

Prime: No

Previous Prime: 64433

Next Prime: 64439

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 ² × 89 × 181

Divisors: 1, 2, 4, 89, 178, 181, 356, 362, 724, 16109

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111101110110100

Octal: 175664

Duodecimal: 31358

Hexadecimal: fbb4

Square: 4151998096

Square Root: 253.84247083575278

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

a(n) = A030067(2ⁿ - 1) for n >= 1, where A030067 is the semi-Fibonacci numbers. A129092

Triangle T, read by rows, where column n of T = column 0 of T^2ⁿ for n>0, such that column 0 (A129092) equals the row sums of the prior row, starting with T(0,0)=1. A129100

Triangle T, read by rows, where row n (shifted left) of T equals row 0 of matrix power Tⁿ for n>=0. A129104

Number of 5-tuples of different integers from [ 1,n ] with no global factor. A15640

Numbers n such that 10ⁿ - 53 is prime. A178430

Number of switching functions of n or fewer variables which cannot be realized as threshold gates. A64436