Properties of the Number -1373

Three Hundred Seventy-Three

Basics

Value: -1374 → -1373 → -1372

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 1373

Divisors: 1, 1373

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10101011101

Octal: -2535

Duodecimal: -965

Hexadecimal: -55d

Square: 1885129

Square Root: 37.05401462729781

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

Values of n such that L(7) and N(7) are both prime, where L(k) = (n²+n+1)*2^2·k + (2·n+1)*2^k + 1, N(k) = (n²+n+1)*2^k + n. A226927

Values of n such that L(8) and N(8) are both prime, where L(k) = (n²+n+1)*2^2·k + (2·n+1)*2^k + 1, N(k) = (n²+n+1)*2^k + n. A226928

First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 97", based on the 5-celled von Neumann neighborhood. A270155

First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 307", based on the 5-celled von Neumann neighborhood. A271167

a(n) = -n² + 21·n - 1. A332884

G.f. A(x) satisfies ∑_n=-oo..+oo xⁿ * (1 - A(x)ⁿ)ⁿ⁺² = 0. A378585

Irregular triangle read by rows: coefficients of Olinde Rodrigues recursive polynomial for inversions of permutations applied to Bonnaci type polynomials: x - 1, x² - x - 1, x³ - x² - x - 1, etc. A133333

Euler transform of powers of 2 [1,2,4,8,16,...]. A34691

Primes of the form k² + k + 41. A5846

Number of strict integer partitions of n containing the sum of some subset of the parts. A variation of sum-full strict partitions. A364272