Properties of the Number 42499

Forty-Two Thousand Four Hundred Ninety-Nine

Basics

Value: 42498 → 42499 → 42500

Parity: odd

Prime: Yes

Previous Prime: 42491

Next Prime: 42509

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 42499

Divisors: 1, 42499

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1010011000000011

Octal: 123003

Duodecimal: 20717

Hexadecimal: a603

Square: 1806165001

Square Root: 206.1528559103657

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

Primes having only {2, 4, 9} as digits. A385785

Primes that are palindromic in factorial base. A333421

a(n) = 68·n² - 1. A158730

Pairs of consecutive primes {p,q} for which the numbers of distinct residues of all factorials mod p and mod q coincide. A210242

Primes which become squares when the digits are rotated once to the right. A234925

Numbers k such that 399·2^k+1 is prime. A323044

Primes having only {2, 4, 5, 9} as digits. A386154

Primes having only {2, 4, 6, 9} as digits. A386156

Primes having only {2, 4, 8, 9} as digits. A386159

Numbers k such that φ(k) = φ(k+1). A1274