Properties of the Number -122149

One Hundred Twenty-Two Thousand One Hundred Forty-Nine

Basics

Value: -122150 → -122149 → -122148

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 122149

Divisors: 1, 122149

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11101110100100101

Octal: -356445

Duodecimal: -5A831

Hexadecimal: -1dd25

Square: 14920378201

Square Root: 349.4982117264694

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

Number of non-knapsack integer partitions of n. A366754

Primes of the form p² + p - 1 when p is prime. A53185

a(n) = A305312(n)/4 if A305312(n)is even and a(n) = (A305312(n) - 1)/4 if A305312(n) is odd, for n >= 1. A308687

Centered 18-gonal (or octadecagonal) primes. A264825

Primes of the form 1 + prime(k) + (prime(k+1))², any k. A165613

Number of wedged n-spheres in the homotopy type of the neighborhood complex of Kneser graph KG_3,n. A342737