Properties of the Number 87403

Eighty-Seven Thousand Four Hundred Three

Basics

Value: 87402 → 87403 → 87404

Parity: odd

Prime: Yes

Previous Prime: 87383

Next Prime: 87407

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 87403

Divisors: 1, 87403

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101010101101011

Octal: 252553

Duodecimal: 426B7

Hexadecimal: 1556b

Square: 7639284409

Square Root: 295.6399837640369

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 p such that p and prime(p) end with the same three digits. A271045

Primes of the form (1 + k + k³)/3. A163512

Numbers k such that A027998(k) is divisible by k. A304049

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 1), (-1, 0, 0), (1, -1, -1), (1, 1, -1), (1, 1, 1)}. A149619

a(n) = smallest prime of the form 10·K(n) + 1, where K is a number obtained by concatenation of n with itself, or 0 if no such prime exists. A87403

Number of nX4 0..1 arrays with every element equal to 1, 2, 3 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. A302666