Properties of the Number 31253

Thirty-One Thousand Two Hundred Fifty-Three

Basics

Value: 31252 → 31253 → 31254

Parity: odd

Prime: Yes

Previous Prime: 31249

Next Prime: 31259

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 31253

Divisors: 1, 31253

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111101000010101

Octal: 75025

Duodecimal: 16105

Hexadecimal: 7a15

Square: 976750009

Square Root: 176.78518037437414

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 (n+1)X(k+1) 0..2 arrays with the maximum plus the upper median minus the lower median minus the minimum of every 2X2 subblock equal. A236893

Number of partitions of n such that the number of parts having multiplicity 1 is not a part and the number of distinct parts is not a part. A241445

Primes p such that p-3 and p+3 are divisible by a cube. A89201

a(n+1) is the smallest prime > a(n) such that the digits of a(n) are all (with multiplicity) contained in the digits of a(n+1), with a(1)=5. A242906

Numbers n such that n and the four successive integers produce primes if substituted for·in the polynomial 5x²+5x+1. See A090562, A090563. Terms show that longer similar chains also exist. A90100

Primes of the form 2·k² + 3. A201473

Primes p such that every suffix of the base-5 representation of p is a prime. A278697

Numbers k such that the continued fraction for sqrt(k) has period 87. A20426

Smallest prime with leading digits the same as those of nⁿ. A68840

Primes of the form 2n³+3. A201108