Properties of the Number -5149

One Hundred Forty-Nine

Basics

Value: -5150 → -5149 → -5148

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 19 × 271

Divisors: 1, 19, 271, 5149

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1010000011101

Octal: -12035

Duodecimal: -2B91

Hexadecimal: -141d

Square: 26512201

Square Root: 71.75653280364095

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

a(n) = 4·n² - 9·n + 6. A54556

Number of integer partitions of n such that every set of distinct parts has a different sum. A325862

Second 9-gonal (or nonagonal) numbers: a(n) = n*(7·n+5)/2. A179986

T(n,k)=Number of nXk 0..2 arrays with every 0 next to a 1 and every 1 next to a 2 horizontally, vertically or antidiagonally. A232309

Vertical of triangular spiral in A051682. A81271

Numbers b > 1 such that the smallest three primes, i.e., 2, 3 and 5 are base-b Wieferich primes. A339532

Expansion of g.f. A(x) satisfying 5 = ∑_n=-oo..+oo (-x)ⁿ * (5·A(x) + x^n-1)ⁿ⁺¹. A363105

Can express a(n) with the digits of a(n)² in order, only adding plus signs. A38206

Number of distinct products i·j*k for 1 <= i < j <= k <= n. A100436

Semiprimes in A054556. A113693