Properties of the Number 40146

Forty Thousand One Hundred Forty-Six

Basics

Value: 40145 → 40146 → 40147

Parity: even

Prime: No

Previous Prime: 40129

Next Prime: 40151

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 6691

Divisors: 1, 2, 3, 6, 6691, 13382, 20073, 40146

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1001110011010010

Octal: 116322

Duodecimal: 1B296

Hexadecimal: 9cd2

Square: 1611701316

Square Root: 200.36466754395596

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

E.g.f. A(x) satisfies A(x) = exp(x) * B(x), where B(x) = 1 + x·B(x)³ is the g.f. of A001764. A381984

Triangle read by rows: T(n,k) is the coefficient A_k in the transformation of 1 + x + x² + ... + xⁿ to the polynomial A_k*(x-k)^k for 0 <= k <= n. A242598

(1/7) times the sum of the elements of all subsets of [n] whose sum is divisible by seven. A309299

Number of terms of A182116 between 2ⁿ and 2ⁿ⁺¹. A242435

Primes p such that x⁴ = 19 has no solution mod p. A40146