Properties of the Number 25085

Twenty-Five Thousand Eighty-Five

Basics

Value: 25084 → 25085 → 25086

Parity: odd

Prime: No

Previous Prime: 25073

Next Prime: 25087

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 5 × 29 × 173

Divisors: 1, 5, 29, 145, 173, 865, 5017, 25085

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110000111111101

Octal: 60775

Duodecimal: 12625

Hexadecimal: 61fd

Square: 629257225

Square Root: 158.38244852255568

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

Zeisel numbers. A51015

Number of squares (of another matrix) in M₂(n) - the ring of 2 X 2 matrices over Z_n. A68197

Smoothed lengths of the B blocks in analysis of A090822. A95828

a(0) = a(1) = a(2) = 1, for n > 2, a(n) = a(n-1) + a(n-k) + k with k = 3. A362256

Number of odd chordless cycles of length >=5 in the n-diagonal intersection graph. A362544

First member of a pair (A,B) to define the n-th Zeisel number, cf. A051015. A252094

Areas of primitive Pythagorean triangles which are palindromes. A101439

s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n-k+1), where k = [ n/2 ], s = (Fibonacci numbers), t = A001950 (upper Wythoff sequence). A25085