Properties of the Number -1040401

Forty Thousand Four Hundred One

Basics

Value: -1040402 → -1040401 → -1040400

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 10

Digital Root: 1

Palindrome: Yes

Factorization: 101 × 10301

Divisors: 1, 101, 10301, 1040401

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -11111110000000010001

Octal: -3760021

Duodecimal: -422101

Hexadecimal: -fe011

Square: 1082434240801

Square Root: 1020.0004901959607

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

Palindromes of form k² + 1. A27720

Numbers n such that (n(n+1)/2) modulo σ(n) = n. A232538

Both m and its reverse are one more than a square and m does not end in 0. A66618

Both k and its reverse are one more than a square. A124664

Number of nX4 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 0 1 and 1 0 0 vertically. A207496

Let q be the n-th prime power (A246655), then a(n) = q³ + q² - q; number of solutions to x·y = z·w in the finite field F_q. A367014

Palindromes of the form b^k + 1 or b^k - 1, with b, k > 1. A392319