Properties of the Number 42419

Forty-Two Thousand Four Hundred Nineteen

Basics

Value: 42418 → 42419 → 42420

Parity: odd

Prime: No

Previous Prime: 42409

Next Prime: 42433

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 13 ² × 251

Divisors: 1, 13, 169, 251, 3263, 42419

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1010010110110011

Octal: 122663

Duodecimal: 2066B

Hexadecimal: a5b3

Square: 1799371561

Square Root: 205.95873373081318

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 n-node connected graphs with at most one cycle. A5703

Numbers that can be written as the sum of four or more consecutive squares in more than one way. A307937

The number of connected weighted cubic graphs with weight n on 8 vertices. A321307

Number of partitions of n into parts not of the form 19k, 19k+6 or 19k-6. Also number of partitions with at most 5 parts of size 1 and differences between parts at distance 8 are greater than 1. A35975

Denominators of continued fraction convergents to sqrt(737). A42419

Number of (n+2)X(5+2) 0..1 arrays with no 3x3 subblock diagonal sum 1 and no antidiagonal sum 2 and no row sum 0 and no column sum 0. A255088

Number of nX4 0..1 arrays with every element equal to 2, 3, 4, 5 or 7 king-move adjacent elements, with upper left element zero. A298625

Number of nX4 0..1 arrays with every element equal to 0, 1, 3, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. A302873