Properties of the Number 41209

Forty-One Thousand Two Hundred Nine

Basics

Value: 41208 → 41209 → 41210

Parity: odd

Prime: No

Previous Prime: 41203

Next Prime: 41213

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 7 ² × 29 ²

Divisors: 1, 7, 29, 49, 203, 841, 1421, 5887, 41209

Polygonal

Triangular: No

Square: Yes

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1010000011111001

Octal: 120371

Duodecimal: 1BA21

Hexadecimal: a0f9

Square: 1698181681

Square Root: 203

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 k | 13^k + 1. A15963

Squares of Bell numbers. A1247

Number of partitions of the set {1,2,...n} having no blocks that contain both odd and even entries. A124419

Numbers m such that there are precisely 17 groups of order m. A294949

Smallest square that begins with n. A18796

a(n) = (6·n + 5)². A16970

a(n) = (11·n + 5)². A17450

Triangle read by rows: T(n,k) is the number of partitions of the set {1,2,...,n} having exactly k blocks that contain both odd and even entries (0<=k<=floor(n/2)). A124418

Squares with initial digit '4'. A45787

Numbers k such that k | 6^k + 1. A15953