Properties of the Number -7959

Nine Hundred Fifty-Nine

Basics

Value: -7960 → -7959 → -7958

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 3 × 7 × 379

Divisors: 1, 3, 7, 21, 379, 1137, 2653, 7959

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1111100010111

Octal: -17427

Duodecimal: -4733

Hexadecimal: -1f17

Square: 63345681

Square Root: 89.21322771876378

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

a(n) = A033879(A276086(n)). A324654

Expansion of e.g.f.: sech(log(x+1)-sin(x))=1-3/4!*x⁴+30/5!*x⁵-180/6!*x⁶+1113/7!*x⁷... A13221

Number of partitions of n with some part repeated. A47967

Numbers m such that there are precisely 7 groups of order m. A249550

a(n) = 2ⁿ - Fibonacci(n). A99036

Numbers k such that ψ(k + ψ(k)) = ψ(k) + ψ(ψ(k)), where ψ = A002322. A376849

Number of partitions in parts not of the form 15k, 15k+1 or 15k-1. Also number of partitions with no part of size 1 and differences between parts at distance 6 are greater than 1. A35955

Number of partitions p = [x(1), ..., x(k)], where x(1) >= x(2) >= ... >= x(k), of n such that max(x(i) - x(i-1)) = number of distinct parts of p. A241820

Number of integer partitions of n with a repeated part other than the least. A375405

a(n) = sum of all divisors of all numbers k such that n² <= k < (n+1)². A168012