Properties of the Number 56671

Fifty-Six Thousand Six Hundred Seventy-One

Basics

Value: 56670 → 56671 → 56672

Parity: odd

Prime: Yes

Previous Prime: 56663

Next Prime: 56681

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 56671

Divisors: 1, 56671

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1101110101011111

Octal: 156537

Duodecimal: 28967

Hexadecimal: dd5f

Square: 3211602241

Square Root: 238.0567159313091

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 p and prime(p) end with the same three digits. A271045

Primes p of the form m² + 27. A227622

Primes that remain prime through 3 iterations of function f(x) = 8x + 3. A23292

Triangle inverse to that in A046899. A46900

Primes of the form n²+number of divisors of n². A188665

a(n) = -∑_{k = 0..n-1} (n+k)!a(k)/(2k)!. A7682

Primes which contain the fax number of the beast (667). A321001

Numbers k such that 2^k-1 == 1 + b·k (mod k²), where b divides k - 2^p for some integer p >= 0 and 2^p <= b. A186884

Primes p such that there are exactly p solutions to y² + x·y + y == x³ + x² - 10·x - 10 (mod p). A275777

1 + the number of unitary and squarefree divisors of n = number of divisors of reduced squarefree part of n. A56671