Properties of the Number -349205

Three Hundred Forty-Nine Thousand Two Hundred Five

Basics

Value: -349206 → -349205 → -349204

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 5 × 211 × 331

Divisors: 1, 5, 211, 331, 1055, 1655, 69841, 349205

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1010101010000010101

Octal: -1252025

Duodecimal: -14A105

Hexadecimal: -55415

Square: 121944132025

Square Root: 590.9356987016439

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 peaks at odd level in all Dyck paths of semilength n with no UUU's and no DDD's, (U=(1,1), D=(1,-1)). These Dyck paths are counted by the secondary structure numbers (A004148). A166292

a(n) = n⁴ - 3·n³ + 9·n² - 7·n + 5 (n>=1). A304162