Properties of the Number -131415

One Hundred Thirty-One Thousand Four Hundred Fifteen

Basics

Value: -131416 → -131415 → -131414

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 3 × 5 × 8761

Divisors: 1, 3, 5, 15, 8761, 26283, 43805, 131415

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100000000101010111

Octal: -400527

Duodecimal: -64073

Hexadecimal: -20157

Square: 17269902225

Square Root: 362.5120687646137

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

Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(0) + b(1) + ... + b(n-1), where a(0) = 1, a(1) = 2, b(0) = 3, and (a(n)) and (b(n)) are increasing complementary sequences. A295053

Decimal concatenation of n, n+1, and n+2. A1703

Let N = 123456789101112131415161718..., the concatenation of the natural numbers. a(n) is the n-digit number formed from the digits of N starting from the {n(n-1)/2 +1}th digit. Omit any leading zeros. A66547

Duplicate of A001703. A127422

Number of length 4+1 0..n arrays with the sum of the cubes of adjacent differences multiplied by some arrangement of +-1 equal to zero. A250231

a(n) = ∑_{p∣n, p prime} p^prime(n/p). A369750

Concatenate (3n-2,3n-1,3n). A248556