Properties of the Number 61484

Sixty-One Thousand Four Hundred Eighty-Four

Basics

Value: 61483 → 61484 → 61485

Parity: even

Prime: No

Previous Prime: 61483

Next Prime: 61487

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 ² × 19 × 809

Divisors: 1, 2, 4, 19, 38, 76, 809, 1618, 3236, 15371

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111000000101100

Octal: 170054

Duodecimal: 2B6B8

Hexadecimal: f02c

Square: 3780282256

Square Root: 247.95967414077637

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(0) = 0, a(1) = 1, and for n>=2, a(n) = (n-2)*a(n-1) - (n-1)*a(n-2). A232845

Triangle read by rows: T(n,k), 0 <= k <= n, gives the coefficients of the Charlier polynomials (with parameter a=1), ordered by rising powers. A137338

Numerator of 1/3 + 3/5 + 5/7 + ... + (2n - 1)/(2n + 1). A61484