Properties of the Number -122401

One Hundred Twenty-Two Thousand Four Hundred One

Basics

Value: -122402 → -122401 → -122400

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 10

Digital Root: 1

Palindrome: No

Factorization: 122401

Divisors: 1, 122401

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: -11101111000100001

Octal: -357041

Duodecimal: -5AA01

Hexadecimal: -1de21

Square: 14982004801

Square Root: 349.8585428426752

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

Heptanacci-Lucas numbers. A104621

Primes p such that q-p = 42, where q is the next prime after p. A134120

Denominators of continued fraction convergents to sqrt(156). A41287

a(n) = (1 + ∑_j=1..K-1 a(n-j) + a(n-1)*a(n-K+1))/a(n-K) with a(1),...,a(K)=1, where K=5. A283330

Centered hecatonicosachoral numbers. A362863

Denominators of continued fraction convergents to sqrt(39). A41065

Denominators of continued fraction convergents to sqrt(351). A41665

Denominators of continued fraction convergents to sqrt(624). A42199

Primes in the union of all n-step Lucas sequences. A227885

a(n) = -2·a(n-1) -2·a(n-2) + a(n-3). a(0) = -1, a(1) = 1, a(2) = 1. A233831