Properties of the Number 90406

Ninety Thousand Four Hundred Six

Basics

Value: 90405 → 90406 → 90407

Parity: even

Prime: No

Previous Prime: 90403

Next Prime: 90407

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 × 17 × 2659

Divisors: 1, 2, 17, 34, 2659, 5318, 45203, 90406

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10110000100100110

Octal: 260446

Duodecimal: 4439A

Hexadecimal: 16126

Square: 8173244836

Square Root: 300.67590525348055

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

Twice partitioned numbers where the latter partitions are constant. A279784

Number of composites < 10ⁿ. A92871

Number of nX2 0..3 arrays with no element equal to zero plus the sum of elements to its left or zero plus the sum of elements above it or zero plus the sum of the elements diagonally to its northwest or one plus the sum of the elements antidiagonally to its northeast, modulo 4. A240041

Expansion of ∑_k>=0 (x * (1 + k·x³))^k. A360749

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), (0, -1, 1), (0, 0, 1), (1, 1, 0)}. A150230

a(n) = PrimePi(n+3) - PrimePi(n). A90406