Properties of the Number -29205

Twenty-Nine Thousand Two Hundred Five

Basics

Value: -29206 → -29205 → -29204

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 5 × 11 × 59

Divisors: 1, 3, 5, 9, 11, 15, 33, 45, 55, 59

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -111001000010101

Octal: -71025

Duodecimal: -14A99

Hexadecimal: -7215

Square: 852932025

Square Root: 170.89470442351336

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

Lower triangular array called S2hat(-5) related to partition number array A144341. A144342

Values of Newton-Gregory forward interpolating polynomial (1/3)*(n-1)*(2·n+3)*(2·n-1). A30440

Denominators of continued fraction convergents to sqrt(832). A42607

Determinant of the n X n matrix [(i-j)² + d(i,j)]_{1<=i,j<=n}, where d(i,j) is 1 or 0 according as i = j or not. A355175

Quotients k*(k+1)*(k+2) / (k+(k+1)+(k+2)) that are lucky numbers. A32792

a(n) = (2·n³ + 5·n² - 3·n)/2. A162256

Number of distinct partitions of triangular numbers n*(n+1)/2 into 3 parts for n>=1. A104385

Second column (m=2) of triangle S2hat(-5) = A144342. A144344

a(n) = (n - 1) * ∑_k=2..n A000010(k). A385682

Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 1000-1000-1100-0111 pattern in any orientation. A147100