Properties of the Number 66457

Sixty-Six Thousand Four Hundred Fifty-Seven

Basics

Value: 66456 → 66457 → 66458

Parity: odd

Prime: Yes

Previous Prime: 66449

Next Prime: 66463

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 66457

Divisors: 1, 66457

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000001110011001

Octal: 201631

Duodecimal: 32561

Hexadecimal: 10399

Square: 4416532849

Square Root: 257.7925522585942

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) = A077710(n+1)/A077710(n). A77711

Primes whose digit reversal is a triangular number. A115705

Primes that can be represented as k·R(k) + 1, where R(k) is the reverse of k. A372197

Numbers k such that product of factorials of digits of k equals π(k) (A000720). A66457