Properties of the Number -2425

Four Hundred Twenty-Five

Basics

Value: -2426 → -2425 → -2424

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 5 ² × 97

Divisors: 1, 5, 25, 97, 485, 2425

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100101111001

Octal: -4571

Duodecimal: -14A1

Hexadecimal: -979

Square: 5880625

Square Root: 49.24428900898052

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

First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 105", based on the 5-celled von Neumann neighborhood. A270163

10-gonal (or decagonal) numbers: a(n) = n*(4·n-3). A1107

Generalized 10-gonal numbers: m*(4·m - 3) for m = 0, +- 1, +- 2, +- 3, ... A74377

Regular triangle read rows: T(n,k) = number of non-isomorphic multiset partitions of size n and length k. A317533

a(n) = n·prime(n). A33286

Partial sums of sequence of odd primes (A065091); a(n) = sum of the first n odd primes. A71148

Number of partitions of n with nonnegative rank. A64174

Expansion of g.f. x*(1 + 3·x)/((1 + x)*(1 - x)³). A35608

a(n) = n concatenated with n + 1. A1704

Number of partitions of n in which the least part is even. A26805