Properties of the Number 66464

Sixty-Six Thousand Four Hundred Sixty-Four

Basics

Value: 66463 → 66464 → 66465

Parity: even

Prime: No

Previous Prime: 66463

Next Prime: 66467

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 ⁵ × 31 × 67

Divisors: 1, 2, 4, 8, 16, 31, 32, 62, 67, 124

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000001110100000

Octal: 201640

Duodecimal: 32568

Hexadecimal: 103a0

Square: 4417463296

Square Root: 257.8061287091523

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

Triangle T(n,k) read by rows: T(0,k)=1, otherwise T(n,k)= 1 + floor(n!*exp(-(k-floor(n)/2)²)). A171229

Number of two-rowed partitions of length 6. A70559

Expansion of (1-x)^-1/(1+2·x+x²-x³). A77929

Least number k such that k has n anti-divisors. A66464