Properties of the Number 2629

Two Thousand Six Hundred Twenty-Nine

Basics

Value: 2628 → 2629 → 2630

Parity: odd

Prime: No

Previous Prime: 2621

Next Prime: 2633

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 11 × 239

Divisors: 1, 11, 239, 2629

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101001000101

Octal: 5105

Duodecimal: 1631

Hexadecimal: a45

Square: 6911641

Square Root: 51.273774973177076

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

Number of permutations satisfying -k<=p(i)-i<=r and p(i)-i not in I, i=1..n, with k=2, r=2, I={1}. A80014

Number of points of norm <= n² in square lattice. A328

a(n) = 1 + n + 2·n². A84849

Expansion of ∏_i>=1 (1 - xⁱ)^-1/i; also of exp(∑_n>=1 (d(n)*xⁿ/n)) where d is number of divisors function. A28342

Number of integer partitions of n whose mean is not an integer. A349156

Integers k such that 10^k+21 is prime. A108050

Numbers m such that m and m+1 are consecutive lazy-Fibonacci-Niven numbers (A328212). A328213

a(n) = ∑_{j=0..2·i, i=0..n} A026584(i,j). A26599

Generalized Gaussian Fibonacci integers. A88137

a(n) = (9·n² + 3·n + 2)/2. A38764