Properties of the Number 56663

Fifty-Six Thousand Six Hundred Sixty-Three

Basics

Value: 56662 → 56663 → 56664

Parity: odd

Prime: Yes

Previous Prime: 56659

Next Prime: 56671

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 56663

Divisors: 1, 56663

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1101110101010111

Octal: 156527

Duodecimal: 2895B

Hexadecimal: dd57

Square: 3210695569

Square Root: 238.03991261971174

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 of the form 42·k³ + 270·k² - 26436·k + 250703 in order of increasing k. A271144

Beastly primes (version 2): primes containing 666 as a substring. A131645

Primes having only {3, 5, 6} as digits. A260225

Primes with either no internal digits or all internal digits are 6. A69681

Numbers n such that φ(reverse(n)) = φ(reverse(n-1)) + φ(reverse(n-2)). A69969

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, 0, 0), (0, -1, 0), (0, 1, -1), (0, 1, 0), (1, 1, 1)}. A150840

Beastly primes (version 1): either 666 followed by 0's and a 1 or 7 at the right end or a palindrome with 666 in the center, 0's surrounding these digits, and 1 or 7 at both ends. A186086

a(n) = ∑_k=0..n binomial(n,k) * binomial(4·k,k). A359643

Numbers k such that 80·R_k + 9 is prime, where R_k = 11...1 is the repunit (A002275) of length k. A56663

Indices of primes in sequence defined by A(0) = 53, A(n) = 10·A(n-1) + 33 for n > 0. A101582