Properties of the Number 25121

Twenty-Five Thousand One Hundred Twenty-One

Basics

Value: 25120 → 25121 → 25122

Parity: odd

Prime: Yes

Previous Prime: 25117

Next Prime: 25127

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 25121

Divisors: 1, 25121

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 110001000100001

Octal: 61041

Duodecimal: 12655

Hexadecimal: 6221

Square: 631064641

Square Root: 158.4960567332828

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

Primes of form n² + 4096. A256836

Primes having only {1, 2, 5} as digits. A385773

Primes p such that p³ - 12 and p³ + 12 are also primes. A153322

Group the natural numbers so that the n-th group contains n numbers whose sum as well as the group product +1 is prime. Sequence contains the primes arising as the sum of the terms of groups. A92946

Primes of the form 4·n² + 2·n -1. A155737

Expansion of 1 / ∑_k>=0 (-x)^{k*(3·k - 1}/2). A308806

Denominators of continued fraction convergents to sqrt(390). A41741

Primes that can be constructed by concatenating two squares >= 4. A345314

Numbers k such that the continued fraction for sqrt(k) has period 73. A20412

Primes of the form p² +3p + 1, where p is also a prime. A165944