Properties of the Number -161172

One Hundred Sixty-One Thousand One Hundred Seventy-Two

Basics

Value: -161173 → -161172 → -161171

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 ² × 3 ² × 11 ² × 37

Divisors: 1, 2, 3, 4, 6, 9, 11, 12, 18, 22

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -100111010110010100

Octal: -472624

Duodecimal: -79330

Hexadecimal: -27594

Square: 25976413584

Square Root: 401.4623269996825

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

Coefficients in q-expansion of (E₂²*E₄ - 2·E₂*E₆ + E₄²)/1728, where E₂, E₄, E₆ are the Eisenstein series shown in A006352, A004009, A013973, respectively. A282099

Sums of distinct powers of 11. A33047

Sum of two powers of 11. A73211

Sums of 2 distinct powers of 11. A38490

Sum 11^(k²+3k/2) from k=1 to n. A178192