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Properties of the Number 90816

Ninety Thousand Eight Hundred Sixteen

Basics

Value: 90815 → 90816 → 90817

Parity: even

Prime: No

Previous Prime: 90803

Next Prime: 90821

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 6 × 3 × 11 × 43

Divisors: 1, 2, 3, 4, 6, 8, 11, 12, 16, 22

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: 10110001011000000

Octal: 261300

Duodecimal: 44680

Hexadecimal: 162c0

Square: 8247545856

Square Root: 301.3569312293978

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

Sum of all the parts in the partitions of n into 10 squarefree parts. A326627
Number of trivial c-Wilf equivalence classes in the symmetric group Sn. A262480
Integers k such that numerator and denominator of σ(k)/k are both prime. A247086
Number of permutations p of [n] having no index i with |p(i)-i| = 3. A324365
Numbers that are divisible by the sum of their exponentially odd divisors. A387820
Primitive terms in A066192: number k such that k is a term of A066192 and k/2 is not. A383428
Molecular topological indices of the graph join Cn + Cn of cycle graphs. A192848
Number of involutions (plus identity) in a fixed Sylow 2-subgroup of the symmetric group of degree n. A332759
Number of involutions (plus identity) in a fixed Sylow 2-subgroup of the symmetric group of degree 2n. A332868
a(n) = (3·n+1)!/((2·n)! * n!). A90816