Properties of the Number -15407

Fifteen Thousand Four Hundred Seven

Basics

Value: -15408 → -15407 → -15406

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 7 × 31 × 71

Divisors: 1, 7, 31, 71, 217, 497, 2201, 15407

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11110000101111

Octal: -36057

Duodecimal: -8ABB

Hexadecimal: -3c2f

Square: 237375649

Square Root: 124.12493705939995

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

Numbers k such that k¹⁸ == 1 (mod 19³). A56089

a(n) = 16n² + n. A157474

Composite numbers n such that the sum of divisors of n, σ(n), divided by the number of divisors, d(n) and σ(n) minus n are both rational squares. A49226

Expansion of ∑_k>=0 (k·x)^k/(1 + k² * x). A349884

a(n) = 961·n² + 31. A158675

Least term in period of continued fraction for sqrt(n) is 8. A31432

Triangle read by rows: T(n,k) is the number of Motzkin paths of length n having trapezoid weight k. A104573

a(n) = floor(5ⁿ/4^n-1). A241203

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 121", based on the 5-celled von Neumann neighborhood. A270208

Number of partitions satisfying (cn(2,5) = cn(3,5) and cn(0,5) <= cn(1,5) and cn(0,5) <= cn(4,5)). A36805