Properties of the Number 5461

Five Thousand Four Hundred Sixty-One

Basics

Value: 5460 → 5461 → 5462

Parity: odd

Prime: No

Previous Prime: 5449

Next Prime: 5471

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 43 × 127

Divisors: 1, 43, 127, 5461

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1010101010101

Octal: 12525

Duodecimal: 31B1

Hexadecimal: 1555

Square: 29822521

Square Root: 73.89857914736926

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

Jacobsthal sequence (or Jacobsthal numbers): a(n) = a(n-1) + 2·a(n-2), with a(0) = 0, a(1) = 1; also a(n) = nearest integer to 2ⁿ/3. A1045

Fermat pseudoprimes to base 2, also called Sarrus numbers or Poulet numbers. A1567

a(2n) = 2·a(2n-1), a(2n+1) = 2·a(2n)+1 (also a(n) is the n-th number without consecutive equal binary digits). A975

a(n) = (4ⁿ - 1)/3. A2450

Octagonal numbers: n*(3·n-2). Also called star numbers. A567

a(n) = C(n,2) + C(n,5) + ... + C(n, 3·floor(n/3)+2). A24495

Centered heptagonal numbers. A69099

Expansion of 1/((1-x)*(1+2·x)). A77925

Dispersion of A016813 (4k+1, k>1), by antidiagonals. A191667

a(n) = C(n,0) + C(n,3) + ... + C(n,3[n/3]). A24493