Properties of the Number -11979

Eleven Thousand Nine Hundred Seventy-Nine

Basics

Value: -11980 → -11979 → -11978

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 11 ³

Divisors: 1, 3, 9, 11, 33, 99, 121, 363, 1089, 1331

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10111011001011

Octal: -27313

Duodecimal: -6B23

Hexadecimal: -2ecb

Square: 143496441

Square Root: 109.4486180817282

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

Array of coefficients of the minimal polynomial of (2·cos(π/15))ⁿ, for n >= 1 (ascending powers). A307886

Numbers of the form p² * q³, where p,q are distinct primes. A143610

Numbers of the form 3ⁱ*11^j. A3597

Partial sums of A001158: ∑_j=1..n sigma₃(j). A64603

Numbers of the form (9ⁱ)*(11^j), with i, j >= 0. A108687

Numbers that are the product of distinct primes with prime subscripts raised to prime powers. A346068

a(n) = 11·n². A33584

a(1) = 1, a(n) = smallest (nontrivial) multiple of a(n-1) containing n digits, a(n) not equal to 10·a(n-1). A80445

Numbers which are the sum of two positive cubes and divisible by 11. A101852

Powerful numbers whose prime indices are all prime numbers. A352492