Properties of the Number 80465

Eighty Thousand Four Hundred Sixty-Five

Basics

Value: 80464 → 80465 → 80466

Parity: odd

Prime: No

Previous Prime: 80449

Next Prime: 80471

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 5 × 7 × 11 ² × 19

Divisors: 1, 5, 7, 11, 19, 35, 55, 77, 95, 121

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011101001010001

Octal: 235121

Duodecimal: 3A695

Hexadecimal: 13a51

Square: 6474616225

Square Root: 283.6635330810078

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 partitions of n into parts of 7 kinds. A23006

a(n) = ((n-th prime)⁵-(n-th prime)²)/2. A138431

Occurrences of decrease of the probability density P(n) of coprime numbers k,m, satisfying 1 <= k <= a(n) and 1 <= m <= a(n), and a(n) congruent to 1 (mod 2) and a(n) not congruent to 3 (mod 6). A280879

Let p = n-th prime == 3 mod 8; a(n) = sum of quadratic nonresidues mod p that are < p/2. A282724

Absolute difference between the two numbers formed by alternate digits of n. A80465

Array of the coefficients A(n,k) in the expansion of ∏_i>=1 1/(1-xⁱ)ⁿ = ∑_k>=0 A(n,k)*x^k, n >= 1, k >= 0. A60850