Properties of the Number 64798

Sixty-Four Thousand Seven Hundred Ninety-Eight

Basics

Value: 64797 → 64798 → 64799

Parity: even

Prime: No

Previous Prime: 64793

Next Prime: 64811

Digit Sum: 34

Digital Root: 7

Palindrome: No

Factorization: 2 × 179 × 181

Divisors: 1, 2, 179, 181, 358, 362, 32399, 64798

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111110100011110

Octal: 176436

Duodecimal: 315BA

Hexadecimal: fd1e

Square: 4198780804

Square Root: 254.55451282583854

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

Expansion of ∏_k>0 1/theta₃(q^k), where theta₃() is the Jacobi θ function. A320068

Array read by antidiagonals: T(n,k) = number of nonequivalent dissections of a polygon into n k-gons by nonintersecting diagonals rooted at a cell up to rotation and reflection (k >= 3). A295259

Numbers of the form 2·p*q where (p,q) is a twin prime pair. A71142

Related to partitions. A2040

Number of nonequivalent dissections of a polygon into n pentagons by nonintersecting diagonals rooted at a cell up to rotation and reflection. A5039

Squarefree numbers k such that A076341(k) = 0. A76352

Intersection of A046346 and (A046346-2). A309310

a(n) is the largest integer·such that x/sopf(x) = prime(n) where sopf(x) is the sum of distinct prime factors of·and prime(n) is the n-th prime. A336493

a(1) = 12; for n >= 2, a(n) = least positive integer of the form prime(m)*prime(n-m)*prime(n) with m >= 1. A364434

Sum of primes dividing the repunit numbers (with repetition). A64798