Properties of the Number 25374

Twenty-Five Thousand Three Hundred Seventy-Four

Basics

Value: 25373 → 25374 → 25375

Parity: even

Prime: No

Previous Prime: 25373

Next Prime: 25391

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 4229

Divisors: 1, 2, 3, 6, 4229, 8458, 12687, 25374

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110001100011110

Octal: 61436

Duodecimal: 12826

Hexadecimal: 631e

Square: 643839876

Square Root: 159.29218436571205

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

T(n,k)=Number of nXk 0..3 arrays with no element equal to one plus the sum of elements to its left or one plus the sum of the elements above it or three plus the sum of the elements diagonally to its northwest, modulo 4. A240347

Number of 5-cycles in the n-triangular honeycomb obtuse knight graph. A290391

Numbers n such that n/6 and prime(n)+/-n are all primes. A105550

Number of n X 2 0..3 arrays with no element equal to one plus the sum of elements to its left or one plus the sum of elements above it or three plus the sum of the elements diagonally to its northwest, modulo 4. A240342

G.f. A(x) satisfies A(x) = (1 + x·A(x))³/(1 - x·A(x)²). A379192

Numbers that are the sum of 4 nonzero squares in 9 or more ways. A25374

a(1) = 1; a(2) = 2; a(n) = Fibonacci(a(n-1) + a(n-2)) if n > 2. A80669