Properties of the Number -149281

One Hundred Forty-Nine Thousand Two Hundred Eighty-One

Basics

Value: -149282 → -149281 → -149280

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 11 × 41 × 331

Divisors: 1, 11, 41, 331, 451, 3641, 13571, 149281

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100100011100100001

Octal: -443441

Duodecimal: -72481

Hexadecimal: -24721

Square: 22284816961

Square Root: 386.3689946152512

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) = n*(13·n² - 7)/6. A62025

Composite numbers k such that k == +-1 (mod 8) and 2^(k-1/2) == 1 (mod k). A6971

Increasing gaps between 2-pseudoprimes (upper end). A175737

Composite integers k satisfying 2^d == 2^k/d (mod k) for all d∣k and that are not Super-Poulet (A050217). A291602