Properties of the Number 61444

Sixty-One Thousand Four Hundred Forty-Four

Basics

Value: 61443 → 61444 → 61445

Parity: even

Prime: No

Previous Prime: 61441

Next Prime: 61463

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 ² × 15361

Divisors: 1, 2, 4, 15361, 30722, 61444

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111000000000100

Octal: 170004

Duodecimal: 2B684

Hexadecimal: f004

Square: 3775365136

Square Root: 247.8790027412568

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

(L)-sieve transform of {1,4,7,10,...,3n-2,...} (A016777). A152009

Numbers n such that φ(n) = φ(n+11), with Euler's totient function φ = A000010. A276504

∏_n>=1 1 / (1 - a(n)*xⁿ) = 1 + ∑_n>=1 φ(n)*xⁿ, where φ = A000010. A353948

Trajectory of 1 under map n->9n+1 if n odd, n->n/2 if n even. A33962

Trajectory of 3 under map n->9n+1 if n odd, n->n/2 if n even. A37102

Decimal expansion of log(2 * π). A61444