Properties of the Number -121439

One Hundred Twenty-One Thousand Four Hundred Thirty-Nine

Basics

Value: -121440 → -121439 → -121438

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 121439

Divisors: 1, 121439

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11101101001011111

Octal: -355137

Duodecimal: -5A33B

Hexadecimal: -1da5f

Square: 14747430721

Square Root: 348.48098943844843

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

Expansion of ∏_k>=1 1/((1-x^3·k-1)*(1-x^3·k-2))^k. A262883

Number of unordered factorizations of n! into two distinct proper factors. A157672

Numbers k such that w(k), w(k+1), and w(k+2) are all odd, where w is A360519. A361106

Lesser of twin primes P(k) and P(k+1) such that Sd(P(k)) + Sd(P(k+1)) = Sd(k) + Sd(k+1), where Sd(x) is the sum of digits of x. A277111