Properties of the Number 64444

Sixty-Four Thousand Four Hundred Forty-Four

Basics

Value: 64443 → 64444 → 64445

Parity: even

Prime: No

Previous Prime: 64439

Next Prime: 64451

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 16111

Divisors: 1, 2, 4, 16111, 32222, 64444

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1111101110111100

Octal: 175674

Duodecimal: 31364

Hexadecimal: fbbc

Square: 4153029136

Square Root: 253.8582281510686

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

T(n,k)=Number of nXk 0..4 arrays with every nonzero element less than or equal to at least two horizontal and vertical neighbors. A203346

Number of partitions of 3n into n parts from the set {0, 1, ..., 6} (repetitions admissible). A1977

Numbers n such that every digit of n and n-th prime contains a loop (only digits 0,4,6,8,9 in n and n-th prime). A107624

Number of strictly increasing arrangements of 6 numbers in -(n+4)..(n+4) with sum zero. A188184

Number of nX2 0..4 arrays with every nonzero element less than or equal to at least two horizontal and vertical neighbors. A203340

Slowest increasing and self-describing sequence: first 2 digits are prime digits, followed by 3 composite digits, then 4 prime digits, then 6 composite digits, then 8 prime, then 2 composite, then 2 prime, etc. A105808

Number of integer partitions of the n-th semiprime into semiprimes. A338902

Numbers k such that π(k) = sopf(k) where sopf(k) is sum of distinct prime factors of k (A008472). A64444