Properties of the Number 81453

Eighty-One Thousand Four Hundred Fifty-Three

Basics

Value: 81452 → 81453 → 81454

Parity: odd

Prime: No

Previous Prime: 81439

Next Prime: 81457

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 19 × 1429

Divisors: 1, 3, 19, 57, 1429, 4287, 27151, 81453

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011111000101101

Octal: 237055

Duodecimal: 3B179

Hexadecimal: 13e2d

Square: 6634591209

Square Root: 285.39971969152316

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

Total number of right truncatable primes in base n. A76586

Expansion of 1 - x/(1 - x²/(1 - x³/(1 - x⁴/(1 - x⁵/(1 - x⁶/(1 - ... - xⁿ/(1 - ...))))))), a continued fraction. A291148

Number of distinct values of ∑_i=0..n x(i)*binomial(n,i), where the x(i) have values in 0..5. A205540

T(n,k) = Number of n X k 0..1 arrays with every element equal to 1, 2, 4 or 6 king-move adjacent elements, with upper left element zero. A298055

Partial maxima of A081450. A81453