Properties of the Number 61445

Sixty-One Thousand Four Hundred Forty-Five

Basics

Value: 61444 → 61445 → 61446

Parity: odd

Prime: No

Previous Prime: 61441

Next Prime: 61463

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 5 × 12289

Divisors: 1, 5, 12289, 61445

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1111000000000101

Octal: 170005

Duodecimal: 2B685

Hexadecimal: f005

Square: 3775488025

Square Root: 247.88101984621574

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

Partitioning integers to avoid arithmetic progressions of length 3. A6999

a(n) = -a(n-1) - a(n-2) + a(n-3), a(0)=3, a(1)=-1, a(2)=-1. A73145

Inverted (definition in A075193) generalized tribonacci numbers A001644. A75298

Composite numbers n such that primitive part of Lucas(n) (see A061447) is prime. A61445