Properties of the Number 55709

Fifty-Five Thousand Seven Hundred Nine

Basics

Value: 55708 → 55709 → 55710

Parity: odd

Prime: No

Previous Prime: 55697

Next Prime: 55711

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 17 × 29 × 113

Divisors: 1, 17, 29, 113, 493, 1921, 3277, 55709

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101100110011101

Octal: 154635

Duodecimal: 282A5

Hexadecimal: d99d

Square: 3103492681

Square Root: 236.02754076590298

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

Numbers k such that A003313(k) = A003313(5·k). A116460

a(n) = A027762(n)/A165734(n). A165949

Expansion of ∏_k>0 (-1+sqrt(1+4·x^k))/(2·x^k). A327682

Numerator of sum(1/(φ(k)σ(k)),k=1..n), where φ(k) is the totient function and σ(k) is the sum of the divisors function. A104526

Products p·q*r of three distinct primes such that s=(p·q) mod r, t=(p·r) mod q and u=(q·r) mod p, and s+t+u are all prime. A338705

Largest proper divisor of the n-th Carmichael number (A002997). A81703

The Wiener index of the graph obtained by applying Mycielski's construction to a benzenoid consisting of a linear chain of n hexagons. A228597

Composite Fibonacci sequence: each term is the composite with index equal to the sum of the previous two terms. A107390

Numbers k such that k | sigma₅(k). A55709

Number of nX6 0..1 arrays with rows, columns, diagonals and antidiagonals unimodal. A223642