Properties of the Number -7441

Four Hundred Forty-One

Basics

Value: -7442 → -7441 → -7440

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 7 × 1063

Divisors: 1, 7, 1063, 7441

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1110100010001

Octal: -16421

Duodecimal: -4381

Hexadecimal: -1d11

Square: 55368481

Square Root: 86.26123115281858

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

Centered 16-gonal numbers. A69129

Numbers k that, when expressed in base 4 and then interpreted in base 8, give a multiple of k. A62923

Positive numbers whose product of digits is 7 times their sum. A62384

Numbers generated by a Fibonacci-like sequence in which zeros are suppressed. A243063

Numbers m such that [A070080(m), A070081(m), A070082(m)] is an acute scalene integer triangle with prime side lengths. A70123

Numerator of ∑_k=0..n 1/binomial(n,k)². A100516

Centered 15-gonal numbers: a(n) = (15·n² - 15·n + 2)/2. A69128

Expansion of e.g.f. exp( ∑_n>=0 x^3·n+1/(3·n+1) ). A193437

Binary representation of base-(i-1) expansion of -n: replace i-1 with 2 in base-(i-1) expansion of -n. A256441

Number of unicursal stars with n vertices. A370459