Properties of the Number 42459

Forty-Two Thousand Four Hundred Fifty-Nine

Basics

Value: 42458 → 42459 → 42460

Parity: odd

Prime: No

Previous Prime: 42457

Next Prime: 42461

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 14153

Divisors: 1, 3, 14153, 42459

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1010010111011011

Octal: 122733

Duodecimal: 206A3

Hexadecimal: a5db

Square: 1802766681

Square Root: 206.05581768054984

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 strings of length n over a three-letter alphabet that begin with a nontrivial palindrome. A248122

a(n) is the number of numbers m such that the number of iterations of r -> r - (largest divisor d < r) needed to reach 1 starting at r = m is equal to n. A175125

Semiprimes q such that q²-4 and q²+4 are also semiprimes. A173084

a(n) = (n⁴ + 16·n³ + 65·n² + 26·n + 12)/12. A188480

Integers n such that n+2!, n+2!+3!, n+2!+3!+4!, n+2!+3!+4!+5!, n+2!+3!+4!+5!+6!, and n+2!+3!+4!+5!+6!+7! are all prime. A267123

Beginning of n consecutive quadratic residues mod A025046(n). A48282

Sequence obtained using characteristic polynomial that is Laplace transform of the tribonacci characteristic polynomial: -s⁴*L(t³ -t² -t -1) = s³ +s² +2·s -6. A107785

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 0, 0), (1, 0, -1), (1, 0, 1), (1, 1, 0)}. A150722

Denominators of continued fraction convergents to sqrt(757). A42459