Properties of the Number 40516

Forty Thousand Five Hundred Sixteen

Basics

Value: 40515 → 40516 → 40517

Parity: even

Prime: No

Previous Prime: 40507

Next Prime: 40519

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 ² × 7 × 1447

Divisors: 1, 2, 4, 7, 14, 28, 1447, 2894, 5788, 10129

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1001111001000100

Octal: 117104

Duodecimal: 1B544

Hexadecimal: 9e44

Square: 1641546256

Square Root: 201.2858663692014

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

Image of partition numbers (A000041) under "little Hankel" transform that sends [c₀, c₁, ...] to [d₀, d₁, ...] where d_n = c_n² - c_n+1*c_n-1. A56222

∏_n>=1 (1 + a(n)*xⁿ) = 1 + ∑_n>=1 prime(n+1)*xⁿ. A353605

Numbers k such that sopf(k) = sopf(k² - 1), where sopf(k) = A008472(k). A64019

Continued fraction for sqrt(540). A40516

Number of 4Xn 0..1 arrays with no element equal to a strict majority of its horizontal and antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards. A279744