Properties of the Number 42931

Forty-Two Thousand Nine Hundred Thirty-One

Basics

Value: 42930 → 42931 → 42932

Parity: odd

Prime: No

Previous Prime: 42929

Next Prime: 42937

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 7 × 6133

Divisors: 1, 7, 6133, 42931

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1010011110110011

Octal: 123663

Duodecimal: 20A17

Hexadecimal: a7b3

Square: 1843070761

Square Root: 207.19797296305774

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

Semiprimes (A001358) whose digit reversal is a square. A115710

Indices where A092243 strictly changes sign. A269737

Sp = reversal of some square s where s = x² for x = 1,2,.. (ignoring leading zeros). Sp is in the sequence if it is semiprime. A242097

Denominators of continued fraction convergents to sqrt(997). A42931