Properties of the Number -1349

Three Hundred Forty-Nine

Basics

Value: -1350 → -1349 → -1348

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 19 × 71

Divisors: 1, 19, 71, 1349

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -10101000101

Octal: -2505

Duodecimal: -945

Hexadecimal: -545

Square: 1819801

Square Root: 36.72873534441391

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

Triangle read by rows: n-th row (n>=0) gives coefficients of characteristic polynomial of n X n generalized Cartan matrix M defined in Comments. A136678

Expansion of -x*(8·x²-4·x+1) / ((2·x-1)*(4·x²-x+1)). A112260

Start with 1, add the next number if one gets a prime then add the next number else subtract the next... A74170

Site percolation series for square lattice: coefficients of the power series expansion in powers of q=1-p of the probability that a given site (not assumed to be open) belongs to the infinite cluster, where p is the probability that a site is open. A391388

Numerator of Hermite(n, 1/30). A160291

Values of n such that L(4) and N(4) 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. A226924

Number of separable partitions of n; see Comments. A325534

Number of strict integer partitions of n such that some part can be written as a nonnegative linear combination of the others. A364839

Number of non-condensed integer partitions of n, or partitions where it is not possible to choose a different divisor of each part. A370320

Numbers k such that k² has an odd number of digits and the middle digit is 9. A279429