Properties of the Number 64877

Sixty-Four Thousand Eight Hundred Seventy-Seven

Basics

Value: 64876 → 64877 → 64878

Parity: odd

Prime: Yes

Previous Prime: 64871

Next Prime: 64879

Digit Sum: 32

Digital Root: 5

Palindrome: No

Factorization: 64877

Divisors: 1, 64877

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111110101101101

Octal: 176555

Duodecimal: 31665

Hexadecimal: fd6d

Square: 4209025129

Square Root: 254.70963860835735

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

Primes p such that x⁴⁹ = 2 has no solution mod p, but x⁷ = 2 has a solution mod p. A59667

Primes that remain prime through 4 iterations of function f(x) = 2x + 3. A23303

a(n) is the smallest lesser of twin prime p, such that prime(2 + p) - prime(p) = 2n (cf. A096474). A96475

Number of non-congruent simple polygons with 2n sides on the unbounded chessboard such that each side is an edge of the corresponding knight graph. A368499

Numbers k such that k!4 + 2⁷ is prime, where k!4 = k!!!! is the quadruple factorial number (A007662). A291348

Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 26. A31614

Lesser of twin balanced primes (A090403). A96694

a(n) = n - (A064873(n) + A064874(n) + A064875(n) + A064876(n)). A64877

Number of 3 X n 0..3 arrays with rows nondecreasing and antidiagonals unimodal. A224025