Properties of the Number 42428

Forty-Two Thousand Four Hundred Twenty-Eight

Basics

Value: 42427 → 42428 → 42429

Parity: even

Prime: No

Previous Prime: 42409

Next Prime: 42433

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ² × 10607

Divisors: 1, 2, 4, 10607, 21214, 42428

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1010010110111100

Octal: 122674

Duodecimal: 20678

Hexadecimal: a5bc

Square: 1800135184

Square Root: 205.98058160904392

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 n with property that n² is a sum of some 120 successive primes. A166262

Number of n X 6 0..2 arrays with no element equal to one plus the sum of elements to its left or one plus the sum of elements above it or one plus the sum of the elements diagonally to its northwest, modulo 3. A239359

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 453", based on the 5-celled von Neumann neighborhood. A272275

Numerators of continued fraction convergents to sqrt(742). A42428