Properties of the Number 45645

Forty-Five Thousand Six Hundred Forty-Five

Basics

Value: 45644 → 45645 → 45646

Parity: odd

Prime: No

Previous Prime: 45641

Next Prime: 45659

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 5 × 17 × 179

Divisors: 1, 3, 5, 15, 17, 51, 85, 179, 255, 537

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1011001001001101

Octal: 131115

Duodecimal: 224B9

Hexadecimal: b24d

Square: 2083466025

Square Root: 213.6469049623701

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

Number of n-step 2-dimensional closed self-avoiding paths on triangular lattice, reduced for symmetry, i.e., where rotations and reflections are not counted as distinct. A284869

Numerators of continued fraction convergents to sqrt(409). A41776

Positive integers n that are palindromic in base 2 and whose binary representation has the same number of 0's as 1's. A143905

Numbers whose natural logarithm, in base 10, starts with 10 distinct digits. A113509

Number of nondecreasing -n..n vectors of length 3 whose dot product with some lexicographically greater than or equal to nondecreasing -n..n vector equals 3. A226424

Number of (n+2) X (6+2) 0..3 arrays with every 3 X 3 subblock row and column sum not equal to 0 3 5 6 or 7 and every 3 X 3 diagonal and antidiagonal sum equal to 0 3 5 6 or 7. A252252

Numbers n such that cototient(n) does not divide φ(n!). A291597

Terms of A051488 that do not belong to A083207. A333232

Concatenate first n terms of A011545. A45645