Properties of the Number 44140

Forty-Four Thousand One Hundred Forty

Basics

Value: 44139 → 44140 → 44141

Parity: even

Prime: No

Previous Prime: 44131

Next Prime: 44159

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 5 × 2207

Divisors: 1, 2, 4, 5, 10, 20, 2207, 4414, 8828, 11035

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 1010110001101100

Octal: 126154

Duodecimal: 21664

Hexadecimal: ac6c

Square: 1948339600

Square Root: 210.09521650908667

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

Sum of squares of four consecutive primes. A133524

T(n,k)=Number of (n+1)X(k+1) 0..7 arrays with every 2X2 subblock having the sum of the absolute values of the edge differences equal to 14 and no adjacent elements equal. A234428

a(n) = ceiling(n*φ¹⁶), where φ is the golden ratio, A001622. A4971

a(n) = round(n*φ¹⁶), where φ is the golden ratio, A001622. A4951

Number of (n+1)X(1+1) 0..7 arrays with every 2X2 subblock having the sum of the absolute values of the edge differences equal to 14 and no adjacent elements equal. A234424

Number of (n+1)X(3+1) 0..7 arrays with every 2X2 subblock having the sum of the absolute values of the edge differences equal to 14 and no adjacent elements equal. A234426

Positive integers n such that the difference between the n-th prime and the sum of the divisors of n is congruent to 1 (mod n). A111359

Sum of squares of prime quadruplets. A131348

Numbers n such that n³²+1 and (n+2)³²+1 are both prime. A217992

a(n) = n⁴*(n⁵ + 1)/2. A168196