Properties of the Number 25212

Twenty-Five Thousand Two Hundred Twelve

Basics

Value: 25211 → 25212 → 25213

Parity: even

Prime: No

Previous Prime: 25189

Next Prime: 25219

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 2 ² × 3 × 11 × 191

Divisors: 1, 2, 3, 4, 6, 11, 12, 22, 33, 44

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 110001001111100

Octal: 61174

Duodecimal: 12710

Hexadecimal: 627c

Square: 635644944

Square Root: 158.7828706126703

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

Number of numbers with 6 decimal digits and sum of digits = n. A90581

Non-palindromic solutions to σ(R(n)) = σ(n), where R = A004086 is digit-reversal. A85329

Numbers n such that Catalan(n)+1 is prime. A53429

Numbers n such that sum of first n consecutive prime numbers is pandigital (includes all 10 digits exactly once). A49442

a(n) is the number of terms in the expansion of (x-y)*(x⁴-y⁴)*(x⁹-y⁹)*...*(x^n²-y^n²). A225549

Numbers k such that the sum of the first k consecutive prime numbers is pandigital (includes all 10 digits at least once). A228468

Number of integer partitions of n whose ω-sequence has repeated parts. A325285

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 537", based on the 5-celled von Neumann neighborhood. A272792

G.f.: ∑_n>=1 ∑_k=0..n binomial(n,k) * x^k² * (xⁿ - x^k)^n-k, ignoring the constant term. A292808

Numbers k such that k divides prime(k²)+1. A67853