Properties of the Number 40077

Forty Thousand Seventy-Seven

Basics

Value: 40076 → 40077 → 40078

Parity: odd

Prime: No

Previous Prime: 40063

Next Prime: 40087

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 61 × 73

Divisors: 1, 3, 9, 61, 73, 183, 219, 549, 657, 4453

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1001110010001101

Octal: 116215

Duodecimal: 1B239

Hexadecimal: 9c8d

Square: 1606165929

Square Root: 200.19240744843447

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

Total sum of parts of multiplicity 1 in all partitions of n. A103628

Numbers k such that prime(k) == 13 (mod k). A116658

a(n) = ∑_{k=0..floor(n/2)} C(n-k,k+2)*2^n-k-2*(3/2)^k. A99623

Square root of A030681. A30682

Continued fraction for sqrt(87). A40077

G.f. A(x) satisfies: [xⁿ] A(x)^n-1 = [xⁿ] -1/A(x)ⁿ, for n > 1. A352019