Properties of the Number -121403

One Hundred Twenty-One Thousand Four Hundred Three

Basics

Value: -121404 → -121403 → -121402

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 121403

Divisors: 1, 121403

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: -11101101000111011

Octal: -355073

Duodecimal: -5A30B

Hexadecimal: -1da3b

Square: 14738688409

Square Root: 348.4293328639252

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

Omit the 1's from Rowland's sequence f(n) - f(n-1) = gcd(n,f(n-1)), where f(1) = 7. A137613

Primes p such that p, p+18, p+36 are consecutive primes. A52189

Pseudo-safe-primes: numbers n = 2m+1 with 2^m congruent to n+1 or 3n-1 modulo m·n, but m composite. A300193

Smallest prime >= n-th Fibonacci number. A138185

Next prime after n-th Fibonacci number. A14208

New primes found by Rowland's recurrence in the order of their appearance. A221869

Records in A132199. A191304

The $620 prime list. A18188

Auxiliary r(n) sequence used to prove some properties about Rowland's sequence: r(1) = 1, and r(n) = 1/2*(c(n)+1), where c(n) is A190894, for n>1. A190895

Expansion of ∏_k>=1 (1-x^k)*(1+x^k)⁴. A261998