Properties of the Number 40061

Forty Thousand Sixty-One

Basics

Value: 40060 → 40061 → 40062

Parity: odd

Prime: No

Previous Prime: 40039

Next Prime: 40063

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 7 × 59 × 97

Divisors: 1, 7, 59, 97, 413, 679, 5723, 40061

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001110001111101

Octal: 116175

Duodecimal: 1B225

Hexadecimal: 9c7d

Square: 1604883721

Square Root: 200.15244190366502

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 compositions (ordered partitions) of n into heptagonal numbers (A000566). A322799

Least integer N > 2 such that the number of primes (<=N) <= the number of base-n-zero containing numbers (<=N). A306521

(1/4) * number of ways to select 3 distinct points forming a triangle of unsigned area = n/2 from a square of grid points with side length n. A320310

a(n) = ∑_i=1..n-1 (2ⁱ*C(i)-a(i)) * (2^n-i*C(n-i)-a(n-i)), a(1)=1, where C(i)=A000108(i-1) are Catalan numbers. A192481

Primes p such that x³ = 11 has no solution mod p. A40061

Integers n such that 4·10ⁿ + 61 is prime. A110949