Properties of the Number -15655

Fifteen Thousand Six Hundred Fifty-Five

Basics

Value: -15656 → -15655 → -15654

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 5 × 31 × 101

Divisors: 1, 5, 31, 101, 155, 505, 3131, 15655

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11110100100111

Octal: -36447

Duodecimal: -9087

Hexadecimal: -3d27

Square: 245079025

Square Root: 125.11994245522973

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

"Orderly" Friedman numbers (or "good" or "nice" Friedman numbers): Friedman numbers (A036057) where the construction digits are used in the proper order. A80035

Sums of 3 distinct powers of 5. A38475

Number of partitions of 2n such that (sum of parts having multiplicity 1) = sum of all other parts. A240447

First row of A262057. A265316

Squarefree n such that the elliptic curve n·y² = x³ - x arising in the "congruent number" problem has rank 3. A62693

Obtainable by applying +, * and exponentiation to its own digits. A46469

Generalized Catalan triangle of Riordan type, called C(1,3). A116866

a(n) = n⁶ + 6n. A180356

Monotonic ordering of nonnegative differences 2ⁱ-9^j, for 40>=i>=0, j>=0. A192122

Monotonic ordering of nonnegative differences 4ⁱ-3^j, for 40>=i>=0, j>=0. A192148