Properties of the Number 7055

Seven Thousand Fifty-Five

Basics

Value: 7054 → 7055 → 7056

Parity: odd

Prime: No

Previous Prime: 7043

Next Prime: 7057

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 5 × 17 × 83

Divisors: 1, 5, 17, 83, 85, 415, 1411, 7055

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101110001111

Octal: 15617

Duodecimal: 40BB

Hexadecimal: 1b8f

Square: 49773025

Square Root: 83.99404740813482

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

a(n) = 4·n² - 1. A466

Lucas-Carmichael numbers: squarefree composite numbers k such that p | k => p+1 | k+1. A6972

Number of disconnected 2-regular graphs on n vertices. A165652

Composite numbers such that the square mean of their prime factors is a nonprime integer (where the prime factors are taken with multiplicity and the square mean of c and d is sqrt((c²+d²)/2)). A134602

Lucas-Carmichael numbers with 3 prime factors. A216925

a(n) = 36n² - 1. A136017

Irregular array read by rows in which row floor(k/3)+1, where gcd(k,6)=1, lists the smallest elements, in ascending order, of conjecturally all primitive cycles of positive integers under iteration by the 3x+k function. A226607

a(n) = 16n² + 32n + 15. A141759

Composite integers m such that P(m)² == 1 (mod m), where P(m) is the m-th Pell number A000129(m). Also, odd composite integers m such that U(m)² == 1 (mod m) and V(m) == 6 (mod m), where U(m)=A001109(m) and V(m)=A003499(m) are the m-th generalized Lucas and Pell-Lucas numbers of parameters a=6 and b=1, respectively. A337233

Number of vertices in a Farey fan of order n. A360042